SUMMER 2018

the southwest society of periodontists

PRESIDENT’S MESSAGE

Becoming an need to bring to the forefront and REGISTER Advocate for the focus our efforts to achieve- not Profession only in our organization, but within our day to day lives. Dear Colleagues: We honor those who created and First of all, I would lead this organization in the past, TODAY like to thank the as well as those who are to come Members of the through our service today. Southwest Society of Periodontists and the board of directors for Please help me in creating a culture allowing me to serve as your of honor through service not only www.swsp.org president over the last year. It has to this organization but to those been an honor and privilege to you encounter at home and work. serve an organization that has I am honored to have served with been pivotal in my development this board of directors and I would as a periodontist. to thank those of you who will graciously step forward to take on In my previous presidential address, the task of serving this organization I emphasized the need for future in the future. leaders and advocacy, which I think are crucial to the future of not In Service, only our organization, but also to Summer 2018 the security and stability of the profession as a whole. Dr. Scott Dowell Meeting Event: President 2017-2018 I would like to expand this idea and encourage us to build a culture See you July 20-22, 2018 July 20 - 22, 2018 of honor within the profession. I recently heard a sermon which at the Eilan Hotel & Spa was part of a series on creating San Antonio, TX a “culture of honor”. It struck a Eilan Hotel chord with my wife and me, and we have had tried to incorporate this & Spa concept in our family. The basic 17103 La Cantera Parkway concept is that we honor each other San Antonio, TX 78256 via service.

We honor the profession via service to others and the organizations that serve us. The idea that service to others is the primary way we honor them is a concept that I think we

[email protected] www.swsp.org

OFFICERS President Dr. Scott M. Dowell President-elect Dr. Cora Marsaw Secretary Dr. Pilar Valderrama Secretary-elect SUMMER MEETING Dr. Kristi Soileau Treasurer Dr. Guy Huynh-Ba Treasurer-elect Vacant Past President Dr. Eduardo Lorenzana 07.20-22.2018 Editor of the PROBE Newsletter Dr. Kayleigh Eaves Temple Eilan Hotel BOARD OF DIRECTORS 2015-2020 & Spa Dr. Natalie Frost Omaha, Nebraska (2018) Dr. Matthew Steffer (2018) 17103 La Cantera Southlake, Texas Parkway Dr. Gary DeWitt (2019) Alexandria, Louisiana San Antonio, TX 78256 Dr. Daniela Zambon (2019) Mansfield, Texas Dr. David Lipton (2020) Houston, Texas Dr. Takanari Miyamoto (2020) > La Vista, Nebraska TO REGISTER Save The Date www.swsp.org/2018-summer-meeting-registration 2019 Winter Meeting January 25-27, 2019 Marriott Las Colinas 223 West Las Colinas Blvd. > Irving, TX 75039 HOTEL Visit www.swsp.org to stay www.swsp.org/2018-summer-meeting-hotel updated on the details! SPONSOR/EXHIBITOR> www.swsp.org/2018-summer-meeting-sponsorships

> The beginning date listed for the meetings is the AGENDA date preceding the opening day of the General Session. Registration and a welcome reception www.swsp.org/2018-summer-meeting-agenda for ALL MEMBERS, as well as the Board of Directors meeting, are held on that date.

3 2018 SUMMER MEETING SPEAKER INFORMATION

Periodontics: A Profession in Transition with a Dynamic Laser Strategy! Teaching Method: Lecture

Samuel B. Low, and generation and turn it into an D.D.S, M.S, opportunity. We will consider all de M.Ed., Professor novo systems from the comprehensive REGISTRATION Emeritus, care coordinator to the direct patient University of marketer to the itinerant clinician. We IS NOW OPEN! Florida College will evaluate the positioning of laser of Dentistry; technology into the practice setting Associate faculty considering the return on investment REGISTER Dr. Samuel Low, member of the via the addition of minimally invasive D.D.S., M.S, M.Ed. Pankey Institute. procedures with significant positive TODAY Dr. Low has 30 case acceptance. We will objectively years of private present the science and rationale practice experience in periodontics, for laser indications with innovative lasers, and implant placement. He techniques for the management The 2018 Summer is a Diplomate of the American of periodontitis, the elusive peri- Board of and a implantitis, the rewarding esthetic Meeting will provide Past President of the American , and an additional educational and Academy of Periodontology. Dr. potpourri of treatments from networking opportunities Low is a Director at Large for the extraction and Academy of Laser Dentistry. He to sinus augmentation. Adjunctive for periodontists and has been selected as “Dentist of pearls, such as marketing, scripts, dental professionals the Year” by the Florida Dental and third party coding will enhance in the Southwest region. Association, Distinguished Alumnus your implementation of lasers in your by the University of Texas Dental practice. School, and the Gordon Christensen Lecturer Recognition Award. Dr. Educational Objectives: Low is also a Past President of the 1. Review generational influence and REGISTER Florida Dental Association as well outside forces on both our patients www.swsp.org/2018- as a past ADA Trustee. Dr. Low and us as practitioners. summer-meeting- provides periodontists, dentists, and registration dental hygienists with the tools for 2. Assess new strategies as to successfully managing the periodontal direct patient referral to the perio patient in the general and periodontal gatekeeper. HOTEL practice settings. www.swsp.org/2018- 3. Evaluate the role of lasers as a summer-meeting-hotel change agent. Presentation Abstract: Dentistry is in rapid change and thus, 4. Discuss the success of minimally SPONSOR/EXHIBITOR our profession is in a state of flux. invasive laser procedures for www.swsp.org/2018- Technology, dentist/periodontist the treatment of periodontitis supply and demand, DSOs, politics, summer-meeting- and peri-implantitis, esthetic crown and third party interventions create sponsorships lengthening, and extraction and unavoidable trends in dentistry. Each socket preservation. generation of periodontists may AGENDA be perplexed by developing future Disclosure of relevant financial relationships: www.swsp.org/2018- strategies for success. This lecture Consultant: PerioScience Phillips; Stock Shareholder: Florida Probe; Employee: Biolase; summer-meeting-agenda will unlock the mystery of change Other financial/material support: Dentsply by analyzing each trend contributor Sirona (equipment)

4 2018 SUMMER MEETING SCHEDULE OF EVENTS

SCHEDULE OF EVENTS

FRIDAY, July 20, 2018 Location 4:30 PM – 6:00 PM Board of Directors Meeting Sala Mezzo 6:00 PM – 7:00 PM Welcome Reception and Meeting Registration Sustenio Private Dining Room

SATURDAY, July 21, 2018 Location 6:30 AM – 7:30 AM Exhibitor Set-Up Grand Foyer 7:30 AM – 8:30 AM Committee Meetings Sala Cristallo 7:30 AM Meeting Registration and Breakfast Grand Foyer 7:30 AM Exhibits Open Grand Foyer 8:30 AM – 10:00 AM GENERAL SCIENTIFIC SESSION BEGINS Incanto Ballroom Guest Speaker: Samuel B. Low, D.D.S., M.S., M.Ed.

Periodontics: A Profession in Transition with a Dynamic Laser Strategy! 10:00 AM – 10:30 PM Break with Exhibitors Grand Foyer 10:30 AM – 12:30 PM GENERAL SCIENTIFIC SESSION CONTINUES Incanto Ballroom 12:30 PM – 1:00 PM Break with Exhibitors Grand Foyer 1:00 PM – 2:30 PM Luncheon and SWSP Member Business Meeting Incanto Ballroom 3:00 AM – 5:00 PM New Member and Resident Social To Be Announced

SUNDAY, July 22, 2018 Location 7:30 AM – 9:00 AM Board of Directors Breakfast Meeting Sala Mezzo 7:30 AM Meeting Registration and Breakfast Grand Foyer 7:30 AM Exhibits Open Grand Foyer 9:00 AM – 10:30 AM GENERAL SCIENTIFIC SESSION CONTINUES Incanto Ballroom Guest Speaker: Samuel B. Low, D.D.S., M.S., M.Ed.

Periodontics: A Profession in Transition with a Dynamic Laser Strategy! 10:30 AM – 11:00 AM Break with Exhibitors Grand Foyer 11:00 AM - 12:30 PM GENERAL SCIENTIFIC SESSION CONCLUDES Incanto Ballroom

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THANK YOU to our THANK YOU TO OUR EXHIBITORS Winter Meeting Many, many thanks to the Exhibitors who supported the Southwest Society Sponsors! of Periodontists by exhibiting at the Winter 2018 Meeting at the Marriott Las Colinas. We appreciate your kind comments and look forward to welcoming you GOLD to our future meetings.

ACE Surgical Supply Company BioHorizons Firm Media Inc. SILVER Garfield Refining Company Geistlich Biomaterials Hubermed Inc Impladent Ltd. THANK YOU Implant Concierge to our Winter Meeting Speakers! Karl Schumacher Dental Keystone Dental Maxxeus Dental Millennium Dental Technologies MIS Implants Technologies, Inc. Nobel Biocare Restorative Options for Osteogenics Biomedical the Edentulous Patient

P&G, Crest - Oral B Kurtis Helm, CDT Owner, Helm Dental Piezosurgery Incorporated Laboratory Progressive Dental Q-Optics & Quality Aspirators Inc. Salvin Dental Specialties, Inc. Snoasis Medical Straumann Sunstar Creating The Difference In A Competitive Market Thommen Medical Gregory A. Toback, DMD, MS Vatech America, Inc CEO, Shoreline Periodontics X-Nav Technologies

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SWSP 2018 WINTER MEETING WRAP-UP

9 SWSP 2018 WINTER MEETING WRAP-UP

10 SWSP 2018 WINTER MEETING WRAP-UP

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SWSP 2018 WINTER MEETING WRAP-UP

13 BUSINESS LUNCHEON MEETING MINUTES SOUTHWEST SOCIETY OF PERIODONTISTS Saturday, January 27, 2018 – 12:30 pm – 2:00 pm

I. CALL TO ORDER: PROBE Newsletter. Dr. Scott M. Dowell called the meeting to order at 12:45 PM. b. Dr. Pilar Valderrama moved approval of the minutes as presented in the PROBE. Dr. Brian II. INVOCATION: Mealey seconded the motion. Motion passed. Dr. Matt Steffer gave an invocation. VI. TREASURER’S REPORT: III. SPONSOR/EXHIBITOR RECOGNITION: Dr. Guy Huynh-Ba presented the finances of the Dr. Jeff Pope thanked the Sponsors for their support Society. The Society is in good financial standing. of the Society and asked them to give an introduction for their organization. Dr. Pope then thanked the VII. CENTRAL OFFICE REPORT: exhibitors and asked them to provide an introduction Debbie Peterson reported that operations for their company. are routine.

IV. AAP TRUSTEE REPORT: VIII. PROBE EDITOR’S REPORT: Dr. Stephen Bass provided a report on the activities Dr. Kayleigh Eaves Temple –No report. of the AAP. The AAP recently completed two best evidence reports to be published in the spring. IX. WEBMASTER’S REPORT: The AAP also held a World Workshop on disease Vacant classification with over 150 experts in attendance. There was a transition of the publication of the AAP X. STANDING COMMITTEE REPORTS: Journal which will now be hosted on a user friendly a. ANNUAL MEETINGS COMMITTEE: web platform. The consumer awareness campaign, Dr. Matt Steffer reported on the upcoming meeting “Love the You’re With”, is in its fourth year. in San Antonio. In the summer of 2019, the Society During the 2017 year there was great reach for the will host its meeting in New Orleans. campaign through social media channels. There will also be the ability to vote on bylaws changes b. CENTRAL OFFICE COMMITTEE: electronically without being present at the upcoming Dr. John J. Dmytryk – No report. meeting in Vancouver. 2018 AAP Elections are approaching and Dr. Bass introduced the candidates. c. MEMBERSHIP COMMITTEE: Dr. Lou Rubino and Dr. Chris Richardson provided Dr. Natalie Frost reported on the new members to brief statements of their candidacy including the society. Dr. Natalie Frost moved to accept these background, qualifications, experience and service to new memberships. Dr. Eduardo Lorenzana seconded the AAP as well as their goals for the organization. the motion.

V. SECRETARY’S REPORT: d. NOMINATING COMMITTEE: Dr. Pilar Valderrama Dr. Cora Marsaw reported the Slate of Candidates will a. Approval of Minutes from the July 23, 2017 be announced in the next edition of the PROBE. Business Meeting as published in the

14 BUSINESS LUNCHEON MEETING MINUTES SOUTHWEST SOCIETY OF PERIODONTISTS Saturday, January 27, 2018 – 12:30 pm – 2:00 pm

e. SCIENTIFIC AFFAIRS COMMITTEE: Anesthesia Committee. Dr. David Yu has been Dr. Charles Powell appointed to Texas State Board of Dental i. John F. Prichard Prize for Graduate Research Examiners. Dr. Lisa Masters will serve on the Dental Subcommittee – Dr. Natalie Frost thanked Anesthesia Advisory Committee and was appointed everyone for their support of the Prichard including by the TSBDE. Dr Radar asked everyone to stay the Sponsors and Judges. Dr. Frost presented the tuned in to what is happening with each state. certificates, plaques and trophy to the participants Dr. Tyler Borg is on the Anesthesia Committee in and recipients of this year’s awards. Dr. Debbie Colorado and the AAP. Lee, a resident of the United States Air Force Periodontics Program, was the winner of the XII. Old Business Prichard Competition. The Runner-Up, Dr. Phillip None Garrett, is a resident of the University of Texas Health Science Center at San Antonio Graduate XIII. New Business Periodontics Residency Program. a. CANDIDATES AAP SECRETARY-TREASURER Lou Rubino and Chris Richardson – Completed f. STRATEGIC LONG-RANGE PLANNING COMMITTEE: above in the agenda. Dr. John J. Dmytryk – No report. XIV. Adjournment g. EXECUTIVE COMMITTEE: Dr. Stephen Bass moved to adjourn the meeting. Dr. Scott M. Dowell – No report. Dr. Lorenzana seconded the motion. The meeting adjourned at 1:42 pm. h. BUDGET AND FINANCE COMMITTEE: Dr. Pilar Valderrama –No report. 2018 NOMINATING I. BY-LAWS, POLICIES & PROCEDURES: COMMITTEE REPORT Dr. Bradley Crump – no report. The Nominating Committee will put forward the following Slate of Candidates at the Summer XI. AD HOC COMMITTEE REPORTS Meeting for election by the SWSP Membership. a. EXHIBITOR COMMITTEE: OFFICERS: Dr. Jeff Pope 1. President-Elect: Dr. Pilar Valderrama 2. Secretary: Dr. Kristi Soileau b. GOVERNMENTAL AND REGULATORY 3. Secretary -Elect: Dr. Natalie Frost AFFAIRS COMMITTEE: 4. Treasurer: Dr. Takanari Miyamoto Dr. John Dmytryk – No report. 5. Treasurer-Elect: Dr. Matt Steffer

c. SEDATION COMMITTEE: BOARD MEMBERS AT LARGE: Dr. Todd Scheyer/Dr. Chuck Rader provided 6. Dr. Scott Bedicheck an update on anesthesia and sedation. A SWSP 7. Dr. Edwin Sutherland member, Dr. Charles Radar, is on the AAP

15 16 ANNOUNCEMENTS Time to Renew Your Membership!

Membership Renewals are still STUDENT MEMBERS ATTEND SWSP MEETINGS AT NO CHARGE being accepted for the 2018 The SWSP Board of Directors invites Student Members of the SWSP to attend Membership Year. We hope the 2018 Summer Meeting of the SWSP at no charge during Early Registration. you’ll take a few minutes and Please register online at www.swsp.org. renew your membership as well as review your membership We value you as Student Members and this offer is made to encourage you profile to be sure all of your to attend the meetings of the SWSP and become Active Members upon information is still correct. completion of your Graduate Program. SWSP is happy to provide your login credentials so you may access the renewal on the SWSP website. Simply contact us at WELCOME NEW MEMBERS [email protected] and we’ll be glad Name Organization Location to assist! Members receive Dr. Gregory F. Shanbour Periodontal Implant Associates...... Oklahoma City, OK discounted meeting registration Dr. Demitri Villarreal United States Air Force...... Lackland AFB, TX rates as well as the PROBE Dr. Garth Griffiths Texas A&M College of Dentistry...... Dallas, TX Newsletter. Dr. Jared Harvey Texas A&M College of Dentistry...... Dallas, TX Dr. Trevor Kanack Texas A&M College of Dentistry...... Dallas, TX Dr. Brian Alent United States Air Force...... San Antonio, TX Akemi Arzouman UT Health Science Center at San Antonio School of Dentistry...... San Antonio, TX Dr. Zahraa Alghabban UT Health Science Center at Houston School of Dentistry ...... Houston, TX Dr. Alexandra Brummerhop UT Health Science Center at Houston School of Dentistry ...... Houston, TX Dr. Asfia Husain UT Health Science Center at Houston School of Dentistry ...... Houston, TX Dr. Aaron Nelson UT Health Science Center at San Antonio School of Dentistry...... San Antonio, TX Dr. Edidiong Umoh UT Health Science Center at Houston School of Dentistry ...... Houston, TX Omar Al Bayati University of Colorado Denver Update Your Contact School of Dental Medicine ...... Aurora, CO Information! Dr. Zaid Al Salman University of Colorado Denver School of Dental Medicine ...... Aurora, CO If your contact information, Dr. Kevin Hertich University of Colorado Denver including email address has School of Dental Medicine ...... Aurora, CO changed, please notify the SWSP Lauren Metzger University of Colorado Denver Central Office at [email protected] School of Dental Medicine ...... Aurora, CO so that you will not miss out on Dr. Ala Yassin University of Colorado Denver SWSP information and reminders. School of Dental Medicine ...... Aurora, CO Dr. Ahmad Sedeqi OU College of Dentistry ...... Oklahoma City, OK Dr. Fernando Suarez Lopez del Amo OU College of Dentistry ...... Oklahoma City, OK Tracy Whitley OU College of Dentistry...... Oklahoma City, OK Dr. Xixi Wu OU College of Dentistry ...... Oklahoma City, OK Shakeel Khan Creighton University School of Dentistry...... Omaha, NE Dr. Zackery Krei University of Nebraska College of Dentistry...... Lincoln, NE Dr. Bryan Saunders University of Nebraska College of Dentistry...... Lincoln, NE

17 18 ANNOUNCEMENTS PRACTICE

ARTHUR MERRIT LECTURE FOR 2018 – AUGUST 4, 2018 TRANSITION ANNOUNCEMENT SPEAKER: Dr. Nico Geurs DATE: Saturday, August 4, 2018 A new feature has been added TIME: 7:30 AM – 1:30 PM to the SWSP website (www. PLACE: Beasley Auditorium swsp.org). If you are looking to Baylor Scott & White Hospital purchase a practice, sell your practice, seek an associate, or some other type of change, you may now post this information to The Department of Periodontics at Texas A & M University College of the SWSP website. This feature Dentistry is pleased to invite you to be our guest at the 47th Annual Arthur is available to members only, so H. Merritt Memorial Lecture in Advanced Periodontics. Our distinguished you must be logged in to access lecturer this year is Dr. Nico Geurs and his presentation will be “Success in oral the page. Click on the Member reconstruction and regeneration through minimally invasive techniques”. Login button on the Home Page. Under the Member Resources Dr. Nico Geurs is Weatherford /Palcanis endowed Professor and chair of navigation item, the last option Periodontology at the University of Alabama at Birmingham. He received his is Practice Transitions. This dental degree at A.C.T.A. (Free University of Amsterdam, The Netherlands) in page has a button for submission 1992. He completed his training in Periodontology and his Master’s in of the posting you would like to make. This information will be Clinical Dentistry at the University of Alabama at Birmingham from 1992- posted to a page that will contain 1995. He is a Diplomate and serves as an examiner of the American Board all submissions. This is a great of Periodontology. He is committed to education in periodontology and resource for student members implantology to both the dental students and post graduate students. He was as well as other members who the director of the advanced education program in Periodontology for 10 years. are interested in exploring new His research interests include periodontitis and systemic health, regeneration, practice opportunities as well , and dental implantology. He has published and lectured as members looking for practice extensively on these topics. transitions. If you have questions about this, please email us at Arthur Merritt Lecture attendance is by invitation. Its purpose is to provide [email protected]. new information on recent developments and concepts related to the specialty of Periodontology. It will be our pleasure to have you join us for this year’s distinguished lectureship. Registration will be online with the CE Department at TAMUCOD.

The Arthur H. Merritt Memorial Lectureship is supported by a small endowment from the Merritt family and corporate sponsors. This annual event has never charged a registration fee; however, this year a small fee will be required to facilitate the continuation of this premier event. We appreciate your support and continued attendance.

This is the link to register for the event through our CE Department. https://47tharthurmerritt2018.eventbrite.com

Contact Ms. Debbie Roberts for questions at [email protected]

19 John F. Prichard Prize for Graduate Research

2018 John F. Prichard Graduate Research Competition Great Success www.swsp.org/prichard-award

The 2018 John F. Prichard Graduate heard oral presentations of the support of the competition. The Research Competition was an selected abstracts. The winner 2018 competition once again outstanding success once again. of the Prichard Competition was demonstrated the exceptional Twelve abstracts were submitted Dr. Debbie Lee from the United research being conducted from the University of Colorado, States Air Force Periodontics. within the residency programs Texas A&M University, Louisiana The Runner-up in the Prichard within the Society. The written State University, UT Health Science Competition was Dr. Phillip abstracts and oral presentations Center at Houston, United States Air Garrett with the University of were outstanding. Many thanks Force Periodontics, and UT Health Texas Health Science Center to the Judges for their time and Science Center at San Antonio. at San Antonio. willingness to participate in this year’s competition. Twelve Judges, one for each Congratulations to Dr. Lee and Dr. residency program as well as four Garrett as well as to the other three The purpose of the Prichard clinical judges, participated in the presenters. Award is to establish, maintain, scoring of the abstracts. Based on and encourage participation in this review, five abstracts were The awards were presented on scientific presentations to fulfill selected for oral presentation. January 28th during the SWSP the mission and goals of the Business Meeting. Procter & Society and honor the memory On January 27, 2018, eleven judges Gamble was recognized for their of Dr. John F. Prichard.

20 John F. Prichard Prize for Graduate Research

Past Prichard Competition Award Winners

Dr. Thomas W. Mabry LSU School of Dentistry February 9, 1985 Dr. Jeffrey M. Snitzer LSU School of Dentistry February 8, 1986 Dr. Jon E. Piche’ UTHSCSA and Wilford Hall / USAF Medical Center February 7, 1987 Dr. Robert Sabatini UTHSCSA and Wilford Hall / USAF Medical Center February 6, 1988 Dr. David E. Deas UTHSCSA and Wilford Hall / USAF Medical Center February 4, 1989 Dr. Brian L. Mealey UTHSCSA and Wilford Hall / USAF Medical Center February 17, 1990 Dr. Martha L. Garito UTHSCSA and Wilford Hall / USAF Medical Center February 9, 1991 Dr. Karl Allen Smith UTHSCSA and Wilford Hall / USAF Medical Center February 8, 1992 Dr. Dennis M. Anderson UTHSCSA and Wilford Hall / USAF Medical Center February 6, 1993 Dr. Sarah D. Shih Baylor College of Dentistry February 5, 1994 Dr. Janet Y. Martin UTHSCSA and Wilford Hall/ USAF Medical Center February 11, 1995 Dr. William C. Stentz, Jr. UTHSCSA and Wilford Hall/ USAF Medical Center June 21 1996 for Feb. 3, 1996 (Feb. Meeting was Cancelled) Dr. Dennis M. Anderson UTHSCSA and Wilford Hall / USAF Medical Center February 6, 1993 Dr. Michael P. Najera Baylor College of Dentistry February 1, 1997 Dr. Paul J. Ezzo The University of Texas Health Science Center at San Antonio February 7, 1998 Dr. Edward A. Shinedling Baylor College of Dentistry / Texas A&M University System February 6, 1999 Dr. Theodore C. Weesner The University of Texas Health Science Center at San Antonio February 5, 2000 Dr. E. Todd Scheyer The University of Texas Health Science Center at San Antonio February 24, 2001 Dr. Michael McConnell Perry Baylor College of Dentistry / Texas A&M University System February 9, 2002 Dr. Elizabeth M. Tandy UTHSCSA and Wilford Hall / USAF Medical Center February 8, 2003 Dr. Edithann J. Graham UTHSCSA and Wilford Hall / USAF Medical Center February 8, 2003 Dr. Dwight L. Johnson UTHSCSA and Wilford Hall / USAF Medical Center February 5, 2005 Dr. Scott M. Dowell The University of Texas Health Science Center at San Antonio February 4, 2006 Dr. Scott Gruwell UTHSCSA and Wilford Hall / USAF Medical Center February 10, 20076 Dr. Brently A. Grimard The University of Texas Health Science Center at San Antonio February 9, 2008 Dr. Amy S. Kauvar UTHSCSA and Wilford Hall / USAF Medical Center February 7, 2009 Dr. Tina M. Beck The University of Texas Health Science Center at San Antonio February 13, 2010 Dr. Peter M. Pedalino UTHSCSA and Wilford Hall / USAF Medical Center February 12, 2011 Dr. Andrew W. Baker UTHSCSA and Wilford Hall / USAF Ambulatory Surgical Center February 11. 2012 Dr. Ryan S. Holbrook UTHSCSA and U.S. Air Force Postgraduate Dental School February 9, 2013 Dr. Stacy Renay Beltran Texas A&M University / Baylor College of Dentistry February 7, 2014 CLINICAL SCIENCES RESEARCH CATEGORY: Dr. Tyler D. Borg The University of Texas Health Science Center at San Antonio February 7, 2015 BASIC SCIENCES RESEARCH CATEGORY: Dr. Eirleen Y. Hyun UTHSCSA and U.S. Air Force Postgraduate Dental School February 7, 2015 BASIC SCIENCES RESEARCH CATEGORY: Dr. Erin Wyrick JBSA – Lackland January 30, 2016 CLINICAL SCIENCES RESEARCH CATEGORY: Dr. John W. Thousand IV University of Colorado January 30, 2016 BASIC SCIENCES RESEARCH CATEOGY: Dr. Haroon Ashraf University of Colorado January 27, 2017 CLINICAL SCIENCES RESEARCH CATEGORY: Dr. Blaine Calahan The University of Texas Health Science Center at San Antonio January 27, 2017 AWARD WINNER: Dr. Debbie Lee United States Air Force Periodontics January 26, 2018 RUNNER-UP: Dr. Phillip Garrett University of Texas Health Science Center at San Antonio January 26, 2018

21 John F. Prichard Prize for Graduate Research

Winner – John F. Prichard Prize for Graduate Research “Anti-Tumor Effects of Thymol in Oral Squamous Cell Carcinoma” Debbie R. Lee, Maj, USAF, DC Air Force Periodontics Residency, JBSA-Lackland, TX The University of Texas Health Science Center of San Antonio, San Antonio, TX

Purpose: Oral demonstrated using the Cell Titer tumor growth that was maintained squamous cell 96 Aqueous Non-Radioactive Cell throughout the remainder of the carcinoma Proliferation Assay. Calcium influx study with median tumor volumes (OSCC) was measured using the Fluo-4 Direct of 900 mm3 for control tumors and represents Calcium Assay Kit and was used to only 500 mm3 for thymol treated 90% of all determine if thymol activates TRP tumors. Calcium imaging revealed the oropharyngeal channels in OSCC. To evaluate the absence of TRP channel activation in cancers. Thymol, effect of Thymol in OSCC in vivo, a SCC4 cells. an essential mouse xenograft model was used. Debbie R. Lee, Maj, oil and major Mice were injected subcutaneously Discussion: Thymol is a known USAF, DC component of in the right flank with OSCC cells. agonist for TRPA1, TRPV1, and thyme and oregano, was identified Two weeks post-inoculation, tumors weakly activates TRPM8 and thus as having significant cytotoxic grew to an average volume of 150 is deemed a potential therapy for effects from a screening of plant mm3. Mice were stratified into cancers that over-express these extracts against numerous cancer cell two experimental groups (n=8 per channels. We demonstrate for the lines. Thymol is a known agonist for group), which received the following first time, expression of TRPV1 and several Transient Receptor Potential treatments via intra-tumor injection: TRPM8 in OSCC and reveal thymol (TRP) ion channels (TRPA1, TRPM8, Group A, vehicle control; and group cytotoxicity in the absence of calcium and TRPV1) whose activation is B, 4.3 mM of Thymol. Mice were influx and TRP channel activation. hypothesized to result in increased monitored daily for tumor growth This data suggests that while SCC4 intracellular calcium and subsequent and weight loss. cells express TRP channels, the anti- apoptosis. Preliminary data indicates proliferative mechanism-of-action that TRPA1 is not expressed in OSCC Results: The absence of TRPA1 of thymol does not involve TRP yet thymol retains its cytotoxicity. expression and presence of channel activation. Therefore, the purpose of the study is TRPM8 and TRPV1 was confirmed to evaluate thymol for its anti-tumor via immunofluorescent staining Importantly, we show for the first effects in OSCC in vitro and in vivo, and RT-PCR analyses of the SCC4 time that thymol has significant and determine if the cytotoxic cell line. Cell viability assays of anti-tumor effects in OSCC effects of thymol are due to TRP cell lines treated with Thymol for mouse xenografts with no adverse channel activation or a novel 24 hours demonstrated a dose- effects on adjacent non-malignant mechanism of action. dependent cytotoxic response tissues at concentrations that are of OSCC to thymol. The greatest FDA-approved for commercial Methods and Materials: Human effect was demonstrated with a 2 products. OSCC cell lines Cal27, SCC4, and mM concentration of Thymol. Intra- HSC3 cells were used in this study. tumor administration of 4.3mM Conclusions: Thymol has Chinese hamster ovary (CHO) cells Thymol every other day for two significant anti-tumor effects in overexpressing TRPA1 and TRPV1 weeks significantly inhibited SCC4 OSCC via a novel mechanism-of- were also utilized. TRP channel and Cal27 tumor growth in vivo. There action that are independent of TRP expression in OSCC cells was was significant reduction in tumor channel activation. Additional evaluated with antibodies against growth by day 16 in the Cal27 derived studies evaluating this mechanism vimentin, TRPA1, TRPV1, and TRPM8 tumors, and by day 18 in the SCC4 and developing thymol as a using standard protocols. The effect derived tumors. In the SCC4 cell line, potential treatment for oral cancer of thymol on OSCC in vitro was there was a significant reduction in are underway.

22 John F. Prichard Prize for Graduate Research

Runner-Up – John F. Prichard Prize for Graduate Research “Hard and Soft Tissue Evaluation of Titanium Dental Implants and Abutments with Surface Nanotubes in Canines” Phillip W. Garrett, Jr., DDS The University of Texas Health Science Center at San Antonio, Graduate Periodontics

Purpose: The (nanotube implant with nanotube implant contact at 12 weeks was not adhesion of soft abutment). After 12 weeks following statistically significant (p > 0.05) tissue around an teeth extractions, dental implants between groups (A=31.5%, B=31.2%, abutment and and abutments were randomized C=30%). Mean lingual bone to implant formation of a and placed on one side of the canine contact at 12 weeks was statistically biological seal mandible. Two of each set (Groups significant between Group A and are important A-C) were randomized on each side Group B (45.1% ± 19.4%, 33.1% ± in protecting and per animal. Ten weeks later, 18.2%; p=0.033), and Group A and the host against implants and abutments were placed Group C (45.1% ± 19.4%, 33.7% ± 10.7; Phillip W. Garrett, the pathogenic in a similar fashion on the opposite p=0.049). Jr., DDS effects of side of the mandible. All animals bacteria and other external stimuli. were sacrificed 2 weeks later, and Discussion and Conclusion: The Previous in vitro studies have shown block hemi-mandible specimens were findings of this study suggest that nanotubes interact favorably harvested. This allowed for implants that healing of soft tissue around with hard tissue regarding bone-to- to heal on one side for 12 weeks, the abutments is similar when comparing implant contact, removal torque, other side having a total of 2 weeks machined, turned surfaces to and pull-out testing. Little is known healing prior to sacrifice. Quantitative nanotube surfaces. Both resulted in however regarding the interaction and qualitative histological analysis similar soft tissue contact values, between the gingival tissue with was used to measure newly formed as well as connective tissue fiber implants and abutments using a hard and soft tissue. Radiographic orientation. It is unknown if the soft nanotube surface. The primary analysis using custom radiographic tissue contact was different around objective of this study was to test the stents was used to evaluate marginal a nanotube surface. The data suggest hypothesis that a nanotube surface bone changes. that a nanotube surface may slightly on both implants and abutments hinder bone-to-implant contact. can positively influence bone and Results: The mean radiographic soft tissue contact by comparing change in marginal bone level from a gritblasted titanium surface to weeks 0-12 between implant groups a titanium machined surface with was not statistically significant (p nanotubes using histology and > 0.05). Mean soft tissue contact histomorphometrics. The analysis ( + connective will include both a quantitative and tissue) for groups A, B, and C were qualitative description of peri-implant 2.29mm, 2.33mm, and 2.31 mm, hard and soft tissues. respectively, with no statistical difference (p > 0.05) between Methods and Materials: Six dogs the groups. All connective tissue underwent bilateral extraction of fibers were oriented parallel to the all premolars and the first molar abutment regardless of surface tooth. Control and test groups treatment. Mean implant platform consisted of the following: Group A to first bone-to-implant contact was (gritblasted implant with machined, statistically significant (p=0.037) unmodified surface abutment), when comparing Group B (1.23mm Group B (gritblasted implant with ± .89mm) and Group C (0.86mm nanotube abutment), and Group C ± .56mm). Mean buccal bone-to-

23 24 John F. Prichard Prize for Graduate Research

“Comparison Of Healing At Molar Extraction Sites With And Without Ridge Preservation: A Three-arm Clinical Trial” Shaimaa M. Al Harthi, B.D.S. The University of Texas Health Science Center at San Antonio, Graduate Periodontics

Purpose: Ridge preservation has been changes, and, buccal and lingual plate of the cases collagen wound dressing well documented to limit dimensional thicknesses. Clinically, the change in could be used successfully for ridge changes following tooth extraction. keratinized tissue width was recorded. preservation in molar sites. However, most of the literature published has reported on single Results: There were no statistical Conclusions: This study showed rooted teeth. Moreover, it is still significant differences in buccal that there is no significant difference unclear if a membrane (resorbable or and lingual height of the alveolar in soft tissue or hard tissue dimensions not) may have a clinical advantage over ridge and keratinized tissue width when performing ridges preservation a collagen wound dressing. Therefore, change between the control and the with FDBA, using a dPTFE membrane or the goal of this report is to evaluate test groups. Similarly, there was no a collagen wound dressing, compared the clinical and radiographic outcomes statistical significant difference in to spontaneous healing. However, of ridge preservation using FDBA with alveolar ridge width reduction between control sites tended to show more either non-resorbable membrane or a control and test groups reduction in alveolar ridge width and collagen wound dressing compared to but a trend was observed showing required more often additional grafting non ridge preserved sites at molars less ridge width reduction in test at the time of implants placement after extraction sites. groups compared to the control group. three month of healing. Ridge width reduction at 3mm from Methods and Materials: Sixty-one the crest amounted to 3.11± 0.66mm, patients requiring extraction and 2.48±0.61mm and 1.64 ±0.60mm ridge preservation were included. (Mean ± SE) in the control, test1 and ELECTRONIC OR PAPER Twenty sites received a collagen wound test 2 groups, respectively (ANOVA , – IT’S YOUR CHOICE! dressing alone (control) and another p=0.26). Five implants in the control 20 sites received ridge preservation group and 2 implants in test 1 group The PROBE Newsletter currently with FDBA and a dPTFE membrane required additional grafting at the comes to all members in both (test1). These two groups were part time of implant placement. In test 2 forms, electronic and paper via of a previous randomized controlled group, 2 implants could not be placed trial conducted by our group. In the after three months due to inadequate the USPS. You now have the present study, 21 molar extraction consolidation of the graft. For the option to select the delivery sites received ridge preservation with latter 2 extraction sites, after graft method that is best for you. Your FDBA and a collagen wound dressing removal, bone augmentation was member profile has an option for (test2) using the same methodology as required before successful staged you to select Email, Paper or Both. the previous study. In brief, patients implant placement. had two cone beam computerized Beginning with the Summer 2018 tomography (CBCT) scans taken with Discussion: This study indicated Edition of the PROBE, the Society a rigid stent containing a radiographic that ridge preservation using either will begin using that information marker. One CBCT was taken dPTFE membrane or collagen wound to send the newsletter. So, take immediately post-extraction (initial dressing combined with FDBA tended a minute and update your profile. scan) and the other one three months to minimize ridge resorption in all It’s easy to do! Simply click on following extraction (final scan). The dimensions compared to control the Member Login button on radiographic marker was used to align sites. However, in about 10% of the the SWSP Website, www.swsp. the initial and the final CBCT scans to cases using a collagen wound dressing, org. You can also renew your measure changes in alveolar inadequate consolidation of the graft membership and update other ridge dimensions of the extraction site was observed. The results of this member information. including alveolar height and width study indicated that in the majority

25 John F. Prichard Prize for Graduate Research

“Ridge Preservation Following Tooth Extraction Using Mineralized Freeze-Dried Bone Allograft Compared to Mineralized Solvent-Dehydrated Bone Allograft” Patrick Corning D.M.D. The University of Texas Health Science Center at San Antonio, Graduate Periodontics

Purpose: Ridge preservation has bur in the planned implant osteotomy become a common dental procedure site, which was always within the Discussion and Conclusion: This for predictable conservation of the confines of the former tooth socket. study provides the first histologic physical dimensions of the alveolar Core samples were evaluated comparison between the wound ridge following tooth extraction. histomorphometrically to determine healing of freeze-dried bone allograft Despite the overwhelming evidence the percentage of vital bone, residual and solvent-dehydrated bone favoring ridge preservation over graft material, and connective tissue/ allograft over a 12-week time period natural healing for stable ridge other for each site, and percentages in a ridge preservation application. dimensions there is little consensus were compared between treatment The findings suggest no significant on the material of choice for ridge groups. Clinical measurements were benefit or drawback with the use of preservation. The primary objective evaluated for changes in ridge width, either FDBA or SDBA when comparing of this ridge preservation wound and in buccal and lingual ridge height. histomorphometric parameters. All healing study was to compare new subjects in both groups were able to bone formation using freeze dried Results: Thirty seven of the 44 achieve the end goal of restoratively cancellous bone allograft (FDBA) enrolled subjects completed the driven implant placement with versus solvent-dehydrated cancellous study, 20 subjects in the FDBA group acceptable primary stability. bone allograft (SDBA); changes and 17 in the SDBA group. There was in alveolar ridge dimensions were no significant difference in baseline evaluated as a secondary outcome. ridge width, buccal plate thickness, or the amount of healing time. Analysis ATTENTION Methods and Materials: A total of of the FDBA group showed a mean of 44 subjects undergoing extraction 24.08% vital bone, 22.96% residual COMMITTEE CHAIRS and ridge preservation of single graft material, and 52.95 % CT/other. rooted teeth in preparation for The SDBA group showed a mean of Please remember that as the implant placement were enrolled. 27.19% vital bone, 23.38% residual Committee Chair, it is your After extraction of the tooth graft material, and 49.41% CT/other. responsibility to contact your and degranulation of the site, There were no statistically significant committee members and morphometric measurements were between-group differences for encourage them to attend taken of the alveolar ridge and socket percent vital bone (p=0.53), percent the Southwest Society of using a customized acrylic stent. residual graft (p= 0.91), or percent Periodontists meetings and to The subject was then randomized CT/other (p=0.41). There was no participate in the Committee into the FDBA or SDBA group. The significant interaction between Meeting on Saturday morning socket was filled with the assigned percent vital bone and tooth position graft material and covered with (anterior or posterior), maxilla versus at the SWSP meetings. The a bovine pericardium membrane; mandible, the presence or absence Committee Meetings at the 2018 flaps were replaced with no attempt of a dehiscence ≤50% the socket Summer Meeting are scheduled at primary closure. At the time of depth, or patient smoking status. For from 7:30 – 8:30 AM on Saturday, implant placement 12 weeks after secondary outcomes, there were no July 21, 2018. The committee ridge preservation, morphometric significant differences between members are listed in this issue measurements using the customized FDBA and SDBA groups in change in of the PROBE. Please contact stent were again taken following flap buccal ridge height (p=0.60), lingual your committee members and reflection. A core biopsy at least 8mm ridge height (p = 0.47), or ridge width encourage them to attend this in length was taken using a trephine (p = 0.13). very important meeting.

26 John F. Prichard Prize for Graduate Research

“Patient Outcomes and Gingival Blood Flow using Laser Doppler Flowmetry Following the Use of episil® on Donor Sites” Jennifer D. James, M.B.A., D.M.D., M.S. The University of Texas Health Science Center at Houston School of Dentistry

Purpose: The free gingival graft their median VAS pain scores did postoperative day 21, donor site re- (FGG) is a commonly used periodontal not reach statistical significance at epithelialization showed no difference procedure, which leaves an open any time point. The proportion of in the subjects which received episil® wound on the patient’s palate causing experimental subjects who received (35%) or PeriAcryl® 90 (29%). postoperative pain. The aim of this episil® reporting VAS scores of 0 – 3 study was to compare patient-based (minimal pain, little or no discomfort) Discussion: It was found that a outcomes and wound healing for a new was significantly different from significantly higher proportion of wound dressing material, episil®, to the proportion of control subjects experimental subjects reported a VAS the widely used PeriAcryl®90. on postoperative days 1, 2, and 3 score of 0 – 3 (minimal pain, little or (unadjusted p<0.05). The median and no discomfort) on postoperative days Methods and Materials: Patients mean dosages of Ibuprofen 600mg 1, 2, and 3. This is important because who received episil® (experimental) tablets taken by experimental this shows that the patient receiving or PeriAcryl®90 (control) completed subjects who received episil® was the experimental agent reported that postoperative questionnaires at 1, significantly different from control the discomfort did not affected their 2, 3, 5, 7, 10, 14, and 21 days to assess subjects on postoperative day normal daily function pain and the number of analgesic 2 (median) and days 1, 2, 3, and 5 pills taken. Postoperative pain was (mean) (unadjusted p<0.05). Blood Conclusion: episil® appears to assessed using a visual analog scale flow at O (operated) site compared have a reduction in postoperative (VAS, 0 – 3 – minimal pain, 4 – 6 = to NO (non-operated) site in all discomfort, from moderate (VAS moderate pain and 7 – 10 = severe subjects compared to baseline 4 – 6) to mild (VAS 0 – 3) pain, and a pain). Laser Doppler Flowmetry (LDF) were statistically significant on reduction in the number of dosages and a peroxide test were used to postoperative days 7 and 14 (p< 0.05). of analgesics of FGG donor-sites assess wound healing. No statistical significant difference compared to PeriAcryl®90 during was observed between groups at the first 3 postoperative days of Results: Thirty-four subjects (17 operated at anytime point. Dosages healing. No discernible effects were episil® and 17 PeriAcryl®90) completed of Ibuprofen 600mg tablets and time observed in the blood flow or on the the study. Differences between were highly statistically significant timing of re-epithelialization of the experimental and control groups in predictors of VAS scores (p<0.05). On FGG donor-sites.

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27 28 John F. Prichard Prize for Graduate Research

“Impact of Er:YAG Laser on Wound Healing Following Nonsurgical Therapy. A Pilot Study.” Kandice L. Klepper, DDS The University of Texas Health Science Center San Antonio Graduate Periodontics

Purpose: is a multifactorial pathological process that leads to the loss of the surrounding periodontal structures. Traditional periodontal therapies have proven beneficial in halting the progression of disease. The aim of this study is to further investigate the role of early wound healing in periodontal patients following hand/ ultrasonic instrumentation alone, Er:YAG instrumentation alone, or healing was assessed by obtaining in the Azan stain seen in blue. a combination of hand/ultrasonic an otherwise discarded tissue Further histological analysis will instrumentation and Er:YAG sample during surgical therapy of the include characterization of collagen instrumentation for the nonsurgical selected study site. Samples were orientation (see photo above). treatment of . The obtained at 2 or 6 weeks following primary objective is to compare early initial therapy with a step-back The number of subjects in each group wound healing through histological incision and fixated for histological was insufficient to do meaningful analysis by characterizing connective and immunohistochemical analysis. statistics on the secondary clinical tissue distribution and organization in According to the manufacturer’s outcome measurements. Descriptive the treated . protocol, tissue samples were stained analysis showed no differences in with Heidenhain’s Azan Trichrome and probing depth change following initial Methods and Materials: TTwenty- Picro Sirius Red to compare collagen therapy between the 3 treatment one patients with moderate-severe distribution and organization. groups at 2 or 6 weeks. chronic periodontitis were grouped by convenience sampling to receive Results: Eighteen of 21 individuals Discussion and Conclusion: This pilot nonsurgical therapy with either completed the study. All selected study provides the first histologic hand/ultrasonic therapy alone, study sites were diagnosed evidence of comparative wound healing Er:YAG laser therapy alone or a with moderate-severe chronic outcomes following initial therapy combination of hand/ultrasontic periodontitis (PD≥ 6mm with with different modalities. The primary instrumentation and Er:YAG therapy. BOP) and received initial periodontal goal of this study was to histologically Inclusion criteria for study sites therapy. The age of the subjects evaluate wound healing changes at consisted of probing depth ≥6mm ranged from 44 to 77 with a mean of 2 and 6 weeks following periodontal and ; root surfaces 60.2 years. Preliminary histologic therapy to determine if further were thoroughly treated to remove analysis of the tissue samples investigation is warranted. Based on plaque and . Baseline and revealed normal collagen distribution this preliminary assessment, it appears pre-surgical clinical measurements and organization at both 2 and 6 there is no difference in histological were obtained prior to treatment. weeks. Qualitatively, there were and clinical parameters following initial Cavitron, hand scalers/curettes and no differences between each of therapy between the 3 groups and time the AdvErL Evo laser (Morita: 2940nm the groups at either time points. points; Er:YAG therapy did not enhance Er:YAG: 25pps, 80mJ) were utilized Dense collage maturation was wound healing in combination and/ for initial therapy to remove local observed along the connective tissue or in comparison to hand/ultrasonic factors from the root surface. Wound attachment apparatus as evident instrumentation.

29 30 John F. Prichard Prize for Graduate Research

“The Presence of Foreign Bodies in Proximity to Failing Dental Implants and the Inflammatory Response” Mitchell W Ponsford, DMD Texas A&M University College of Dentistry, Graduate Periodontics

Purpose: To aims of this study bodies using elemental analysis of titanium particles within the are: (1) to evaluate the presence (Energy Dispersive Spectroscopy). bacterial plaque. Two implants of foreign particles found at the The light microscopy sections were contained microfractures with interface between failing dental stained using Masson’s Trichrome bacterial ingrowth and exfoliation implants and surrounding tissues; and imaged. of titanium. The healthy control (2) examine the effect that these implant revealed one piece of foreign particles have on the Group 2 entails the analysis of titanium that exfoliated from the surrounding tissues. foreign particles embedded in the implant surface, but did not display peri-implant tissues. Upon removal, an inflammatory response. The Methods and Materials: This is a these tissues were immediately factory implant did not reveal any cross-sectional ex vivo study that placed in a digestive medium exfoliation of titanium from the attempts to further elucidate the (Collagenase/Dispase), incubated implant surface. presence of foreign bodies and the at 37 degrees Celsius, and inflammatory response in failing and centrifuged to isolate any remaining The implants that underwent ailing dental implants. Patients of at foreign particles. These foreign enzymatic digestion (group 2) all least 18 years of age with controlled particles were sputter coated in contained foreign bodies in the or negative health history, and an gold and analyzed using SEM and soft tissue. Detailed results are implant that required removal were elemental analysis. unavailable at this time. recruited. Patient related data included medical and dental history, Results: This study is estimated Discussion: The results of this study social history, radiographs, date to be complete by December, 2017 are in agreement with several ex of implant placement, and date of and only preliminary observations vivo and in vitro studies. Multiple implant removal. The implant was are available at this time. A total theories exist regarding the extracted using standard surgical of 26 implants were collected for cause of implant failure, including method and was stored for group 1, including 1 healthy implant pitting corrosion of the implant laboratory analysis. (positive control), and 1 factory surface, bacterial plaque, host implant from the package (neutral immune response, foreign body Group 1 is a histologic and SEM control). Group 2 contains 3 failed reaction to titanium or cement, analysis of ultrathin ground implants, 2 healthy control implants, and occlusal overload. As is seen sections of the implants and and 1 factory implant. with periodontal disease, it seems attached tissues. Upon removal, that peri-implantitis and implant these implants were immediately The diseased implants in Group failure have multiple etiologies, both fixed in formalin, dehydrated, and 1 have revealed a wide array of primary and secondary. embedded in Technovit plastic. findings. The most notable findings Three longitudinal sections were include the presence of titanium Conclusions: Titanium particles made and ground to a thickness of particles found in the inflamed are found in the vicinity of failing approximately 30 microns using the soft tissue and even against the and ailing dental implants and are Exakt Grinding System. The sections bone outside of the titanium associated with an inflammatory were imaged using both SEM and oxide layer. Additionally, some of response. Additionally, titanium light microscopy. Briefly, the SEM these implants were found to be particles are found within the sections were sputter coated infiltrated with bacterial plaque, bacterial plaque that surrounds a in gold, viewed under SEM, and which entailed pitting of the diseased implant. analyzed for the presence of foreign implant surface and the presence

31 John F. Prichard Prize for Graduate Research

“The Relationship Between Fatty Liver Disease and Periodontal Disease” Sarah Ringdahl, Capt, USAF, DC United States Air Force Periodontics Resident The University of Texas Health Science Center at San Antonio Graduate Periodontics

Periodontitis is a highly prevalent population; 2) explore any association The mean age was 55.9 years (SD = and destructive chronic disease between periodontitis severity or 9.5); 67.2% of this population were affecting approximately 50% of the extent and the severity of NAFLD; 3) male (n = 43) and 32.8% were female United States population. Numerous examine if specific serum biomarker (n = 21). Type 2 diabetes was reported studies support an association levels are associated with increased in 60.3% of subjects and 76.2% had between periodontal disease and a severity of periodontal and fatty hypertension. The mean BMI was host of chronic conditions, such as liver disease. 33.4 (SD = 4.7) with a total of 80% diabetes, cardiovascular disease, of subjects being considered obese chronic kidney disease, and adverse Methods and Materials: Patients (BMI >30). There were no current pregnancy outcome. Non-alcoholic from the San Antonio Military Medical smokers in this study but 46 (71.9%) fatty liver disease (NAFLD) is a Center diagnosed with varying expressed previous tobacco use of 10 spectrum of disorders characterized stages of NAFLD using the gold cigarettes per day. Periodontitis was by fat accumulation with or without standard liver biopsy were recruited diagnosed in 78% of this population inflammation, fibrosis, and scarring for this study. All patients had full (mild = 28.1%, moderate = 30.2%, and of the liver. Fatty liver disease mouth periodontal examinations severe = 17.1%). The prevalence of impacts up to 50% of the United (6 sites/tooth) performed by periodontitis in this population was States adult population with higher a single calibrated and blinded higher than the 45.9% prevalence of rates in Hispanics, males, and older examiner. Clinical measurements periodontitis estimated in the United individuals. Both diseases are also included probing depth (PD), clinical States population (not statistically associated with type 2 diabetes attachment level (CAL), bleeding significant). None of the clinical mellitus and obesity. NAFLD may index (BI), and plaque index (PI). parameters of periodontal disease progress to cirrhosis and even Periodontitis was diagnosed using (full mouth mean PD, mean CAL, hepatocellular carcinoma. As a the Center for Disease Control and percentage of sites with PD 5mm, remote site infection and reservoir American Academy of Periodontology percentage of sites with CAL 3mm, of microbial byproducts, periodontal (CDC-AAP) disease criteria. BI, and PI) were associated with the disease may play a role in the Percentage of sites with PD 5mm and severity of NAFLD. Additionally, none progression of liver destruction. percentage of sites with CAL 3mm of the investigated cytokines were Systemic release of cytokines and were used as a measure of extent found to have a positive association transient bacteremia following of periodontal disease. Full mouth with any periodontal disease mastication and mean PD and mean CAL were used as parameters or liver disease severity. measures leads to an elevated a measure of severity. Subjects also A significant negative association systemic inflammatory burden had serum cytokine analysis of IL-1𝛽 was seen between IL-1� and TNF-α that may exacerbate the hepatic IL-6, IL-8, TNF-α, and C-Reactive and the periodontal diagnosis, destruction associated with NAFLD. Protein (CRP). Research subjects with a Spearman rank correlation This cross-sectional study is the first with less than 12 teeth, current use of coefficient of -0.27 (p=0.04) and -0.29 time the relationship between these systemic antibiotics, and coexisting (p=0.02), respectively. Additionally, two disease processes has been autoimmune diseases were excluded. a negative association was seen investigated. between TNF-α and the percentage Results: TA total of 71 patients were of sites with probing depth of5mm Purpose: The purpose of this cross- enrolled in this study, with 64 patients and the mean probing depth, with a sectional study is to 1) investigate the included in statistical analysis. Three Spearman rank correlation coefficient prevalence of periodontitis in patients patients were excluded and 4 did not of -0.29 (p=0.02) and -0.32 (p=0.01), with NAFLD compared to the US return for . continued on page 36

32 John F. Prichard Prize for Graduate Research

“Verruciform Xanthoma: A Retrospective Clinical and Histopathologic Analysis of 90 Cases” Evan R. Santiago, DDS, MSD Department of Periodontics, Louisiana State University School of Dentistry

Purpose: This study investigated the causes epithelial degradation growing lesion with unknown etiology. clinical and histopathologic findings and release of lipids that are then It commonly affects patients between of lesions diagnosed as verruciform phagocytized by macrophages, 2) the 6th and 8th decade of life and has xanthoma (VX) by the Louisiana State foam cells are present first and a low recurrence potential. Although University Oral Pathology Biopsy affect epithelial metabolism which the prognosis of VX is excellent, its Service from 1970 to 2014. results in papillary changes. Based clinical features may mimic those on lesion location and presence of serious pathologic entities such Methods and Materials: Demographic of inflammation noted in this case as squamous cell carcinoma. While and clinical information was series, trauma appears to be the further research is needed in order recorded for 99 cases. Following most probable causative factor and to determine the pathogenesis of histopathologic evaluation of all 99 therefore the first hypothesis seems VX, trauma appears to be a likely specimens, 90 cases were included most likely. explanation for the etiology of at least in the study. A questionnaire was a subset of the lesions investigated in sent to clinicians who performed the In our study, no relationship between this study. biopsies from 1994 to 2014 to obtain VX and other mucosal lesions was further patient information regarding established. Recurrence rate was recurrence, tobacco use, health low and consistent with previous history, and history of oral trauma. publications. We found a slight male ATTENTION predilection and the majority of Results: Males made up 57.3% of VXs were from Caucasians, both of OFFICERS, the cases. The mean age was 56.6 which are consistent with other case BOARD MEMBERS and VX was most common in the series. The mean age at the time of sixth through eighth decades of life biopsy was 56.6 years old and the AND COMMITTEE (57.8%). VX occurred most often on majority of cases in this series are CHAIRS the gingiva (47.8%), with 58.1% of from patients between the 6th and the gingival lesions occurring on the 8th decades. This deviates from mandibular mucosa. The second most previously published research that Please note that the Board common location was the hard palate showed VX being more common in the (27.78%), followed by buccal mucosa 4th through 6th decades. of Directors Meeting will (11.11%), and tongue (6.67%). Chronic begin at 4:30 pm on inflammation of varying intensity Histopathologic features of VX have Friday, July 20, 2018. was present in 97.8% of cases. Foam been well established. The hallmark Officers, Board members cells extended below the rete ridges of VX is the presence of foam cells. and Committee Chairs are into the lamina propria in 23.3% of Early publications indicated that foam lesions. Epithelial mitotic figures were cells were either not present below encouraged to attend. detectable in 70% of cases. There was the epithelial rete ridges or only one confirmed recurrence. Twenty-one found in a very small percentage of The Board of Directors clinicians returned surveys, four of cases. In the current study, foam cells Breakfast meeting is whom reported a history of trauma were present below the rete ridges scheduled to begin at near the site of the VX. Discussion: in 23.3% of cases, far more common Two prevailing etiologic hypotheses than previous reports. 7:30 am on Sunday, for VX have been suggested in the July 22, 2018. literature: 1) localized chronic trauma Conclusions: VX is a rare, benign, slow

33 John F. Prichard Prize for Graduate Research

“Retrospective Study to Identify Any Associations Between Clinician and Failure Rate Using MATLAB” Jyoti Sonkar BDS, MPH Department of Periodontics, Louisiana State University School of Dentistry

Purpose: To our knowledge, no study univariate analysis. Multilevel logistic rate indicates that surgical training has been done to determine any regression was performed with implant play an important role in enhancing association of clinician experience with failure as a dependent variable. All clinical skills. The implant systems the success rate of dental implants. tests of significance were evaluated at including fortified surfaces like Should an association between level the 5% error level. hydroxyapatite coating, sand blasting of training and implant failure be and acid etching were responsible in identified, such a finding could lead Results: Overall, 1379 (92.7%) improved osseointegration leading to curriculum changes in order to implants had a successful outcome successful outcomes. better address potential weaknesses. while 109 (7.3%) implants failed. Out The aim of this study is to identify of the predictor variables analyzed, Conclusion: Amongst the several any associations between predictor Discipline (0.0187*), Residents’ year predictor variables analyzed, variables mainly clinician training and of training (0.0541*) and Implant discipline, implant system and type dental implant failure rate among Systems (0.0007*) showed significant clinical training showed significant the residents in the departments of associations with implant failure. Of associations with implant failure. We Periodontics, Prosthodontics, Oral total number of implants placed by conclude that the implants placed Maxillofacial Surgery (OMFS) and each clinician during their cumulative by the residents in General Practice General Practice Residency (GPR) at years of clinical training, the significant Residency had the highest success Louisiana State University, School of statistical difference comes from rate followed by Periodontics, Dentistry. the overall implants success rates: Prosthodontics and Oral Maxillofacial GPR (97.3%), Periodontics (94.14%), Surgery; however, the highest number Prosthodontics (91.48%), OMFS Methods and Materials: Dental records of successful implants were placed (89.64%). The residents’ year of were reviewed from January 1st, 2011 by Periodontics (835) followed by training showed significant association till December 31st, 2015. 2437 dental Oral Maxillofacial Surgery (346), with implant failure rate, the success implants were placed during that Prosthodontics (161), General Practice rates for the following residents period. Only records that included Residency (36). It is evident that the includes: third year residents (94.20%), at least one recall appointment and level and type of clinician training has second year residents (89.38%), first radiographs taken between 6 and 12 an impact on implant failure rates in year residents (90.13%). Furthermore, months after implant placement, were different residency programs. Further the significant statistical difference used to determine the outcome. A studies may be necessary to identify among numerous implant systems total of 1486 records were analyzed the reasons for the differences in comes from implants success rate using Statistical and Machine Learning such as Straumann (96.8%), Zimmer implant failure rates. The results toolbox in MATLAB R2017a™. Since (96.02%), Astra (95.58%), Nobel of such studies may be useful to the outcomes are dependent on each (92.69%), 3i (86.80%), Biohorizons help determine if certain curriculum clinician, a multilevel model was (84.38%), Ankylos (82.36%), Keystone changes are necessary in order to constructed with the clinicians as a (50%). (* p value). better standardize surgical implant random variable. The potential implant training within residency programs to failure predictors such as gender, Discussion: The significant minimize implant failures. age, hypertension, diabetes, smoking, association between implant failure implant length, implant diameter, rate and residents’ year of training implant system, bone graft at the supports numerous literature that implant site, sinus-elevation, location of relates increased surgical experience implant site, department, and residents’ to improved outcomes. The correlation year of training were included based on between discipline and implant failure

34 John F. Prichard Prize for Graduate Research

“Correlating Papilla Height and Width to .” Dan Thousand DDS University of Colorado School of Dental Medicine, Graduate Periodontal Program

Purpose: To predict patient risk of camera setting were obtained. A Triangular shaped papilla but not gingival recession by correlating standardized JPEG grid was created rectangular shaped papilla were gingival recession to the dimensions and superimposed on each clinical found to increase the presence of of papilla height and width, as well photo to analyze tissue color, a recession defect. This is most as to papilla shape, in patients with consistency and shape. A linear likely due to the presence of a highly Miller class I or II gingival recession. regression analysis was performed scalloped gingival architecture in for all variables between the groups. these patients. Methods and Materials: 39 subjects Results of tests with p-values ≤ were included for analysis of 0.05 were considered statistically Conclusions: The shape of the papilla dimensions, selected from significant. papilla, particularly the triangular patients of record. All subjects met shape, are associated with a higher the following inclusion criteria: >18 Results: A total of 39 teeth with incidence of gingival recession years of age; for teeth examined a healthy periodontium were defects as opposed to the broader no history of abrasion, evaluated with corresponding rectangular shape. The data no abfraction lesions and no mesial and distal papilla dimensions. gathered clearly indicates that restorations contacting the mesial or Eighteen teeth without the presence papilla heights and widths do not distal papilla, no history of smoking, of facial gingival recession and 21 influence the presence of a recession no systemic complications, and no teeth with isolated Miller class I or defect. This information can help planned emergent dental treatment. II gingival recession defects were guide the clinician in informing chosen for inclusion. Of the 39 teeth patients about the long-term Teeth included for analysis were evaluated it was noted that 11 of 18 stability of the marginal gingival located in either the maxillary or teeth without recession were scored location around teeth. mandibular arch from the first as a thin biotype. There was a trend premolar to the central incisor tooth for males to have a thicker biotype position. Papillas mesial and distal to compared to females. Linear the studied tooth were measured for regression analysis demonstrated height from the base of the papilla to that papilla with a triangular shape the level of the tip of the papilla and were associated with gingival for width from base to base. Gingival recession (p<0.05, R2=76.2%). recession defects were measured Overall, mean width of the papilla from the cementoenamel junction (p=0.28, R2=32.5%) had no to the and laterally association with gingival recession. from the edge of the corresponding The total area of the papilla was gingival margins. Tooth shape and calculated however no relationship biotype thickness was also assessed was found between the area of the at the time of measurement. papilla and gingival recession. Additionally, the shape of the papilla was recorded as either Discussion: Papilla height and triangular or rectangular. All papilla width had no influence on measurements were made the presence of gingival recession, with a UNC-15 dental probe. however, the shape of the papilla Clinical photographs captured had a pronounced effect on the at a standardized distance and presence of gingival recession.

35 John F. Prichard Prize for Graduate Research

“Survival Of Implants Replacing Previously THE RELATIONSHIP BETWEEN FATTY LIVER DISEASE AND PERIODONTAL DISEASE Failed Implants: A Retrospective continued from page 32 Study In A University Setting.” Nguyen R, Weltman R, Tran D, Soldatos N. The University of Texas Health Science Center at Houston School of Dentistry

Purpose: The rate of implant failures significance on cumulative survival respectively. A negative association range between 3-8% with that rates (P = 0.007) as well. was also seen between TNF-α and number increasing as the number A multivariate analysis was the liver disease diagnosis with a of practitioners placing implants completed on the initial versus the Spearman rank correlation coefficient increase. When an implant fails, the replaced implant and on the implant of -0.27 (p=0.03). These negative survival rate drops significantly brand used. The results showed that associations had non-significant when a second or third attempt is the initially placed implant had a odds ratios after controlling for performed. The aim of this study was 57.9 hazard ratio when compared to confounding variables of age and to evaluate the survival rate of an the replacement one. Furthermore, smoking with the use of a multiple implant placed in a previously failed the low and medium survival implant logistic regression analysis. implant site and to explore the risk brand groups had a 3.35 and 1.8 hazard factors that might affect the outcome ratio, respectively, when compared to Discussion: To our knowledge, this of the second procedure. the high survival implant brand. is the first cross-sectional study to investigate the relationship between Methods and Materials: A Conclusion: The cumulative survival periodontal disease and NAFLD. retrospective chart review was rates for implants placed in previously Though non-significant, there is completed on patients receiving failed implant sites, at 5 and 10 years a trend of greater periodontitis implants from 1985 to 2017. The respectively, were 88% and 83%. The prevalence in this population of medical history of these patients was survival rates of the initial implant NAFLD patients compared to the reviewed. The original implant brand, versus the replacement one, showed United States population. The lack width, height, loading protocol, and statistical significance. The latter of severe liver disease patients the time to implant failure, along with finding was confirmed between the in this study may have limited any the replacement implant brand, width, implant brands used, as well. findings of significant association height, loading protocol, and the between periodontitis and NAFLD. maintenance schedule were reviewed Additionally, this sample of patients and recorded as well. has numerous confounding variables, including type 2 diabetes, obesity, and Results: A total of 2,742 implants were previous tobacco use. included in the study. Implant failures were more common prior to functional Conclusions A trend of higher loading. The cumulative survival rates prevalence of periodontitis was for implants placed in previously observed in this population of failed implant sites, at 5 and 10 years, patients with NAFLD. Although were 88% and 83% respectively. No systemic mechanisms exist to explain significant difference was found in a possible association between survival rates between the implant periodontal disease and NAFLD, diameter, implant length, loading this cross-sectional study found protocol, time to final restoration, and no association between these two the type of the intervention. disease processes. The survival rates of the initial implant versus the replacement one showed statistical significance (P <0.001). The implant brand had a statistical

36 SWSP NEW MEMBER SPOTLIGHT

The Southwest Society would like to introduce you to Blaine Calahan, who joined the Southwest Society in 2014. We asked Blaine a few questions to learn why he joined provides a high level of continuing the Society and what education in the variety of topics and benefits he saw from the quality of speakers. The meetings are reasonably priced and access to the membership. Here’s Winter meeting in Dallas is convenient what Blaine told us: via the DFW and Dallas Love airports. SWSP The society is also very supportive of Why did you join SWSP? the periodontal programs in the region through their hosting of the Inter- BLAINE institutional Meeting which occurs in As a new resident in my Periodontics the Friday prior to each Winter meeting. program at San Antonio, it was clear This event provides a stage for senior that a cornerstone of profession is the residents from the region to display participation in organized dentistry. their cases. The Interinstitutional event I joined the Southwest Society of is highlighted by a research competition Periodontists along with my coresidents for the Prichard Prize for Graduate and have continued my membership into Research with categories in clinical and my career as a basic sciences. Periodontist in Shreveport, Louisiana. I maintain memberships with the SWSP strategize the growth of my own American Dental Association, American What benefits do you see referral base. As a new member in Academy of Periodontology, Louisiana as a member of the Society? private practice, I quickly learned that Society of Periodontists in addition to there is a salesperson readily available the SWSP, and I find that BLAINE to sell you their product which promises the SWSP is the most enriching The greatest aspect of membership for solutions beyond your wildest dreams; gathering of my periodontal colleagues. me as a new clinician in private however, without the gifted advice practice has been the overwhelming of those fellow members of the SWSP support of periodontists around me in Southwest Society of Periodontists, What would you say to encourage the region. As a resident member of the I would be lost in the navigation of my someone to join the Society? SWSP, I was able to get to know new business life! the periodontists of my hometown of BLAINE Shreveport, LA where I now practice. I SWSP My advice to any prospective new have been welcomed into high-end Thank you Blaine for taking the time to member of the Southwest Society of regional practices to gain insight into share your experience! Periodontists relates to the value the implementation of digital systems into member receives from membership. my own practice. Finally, numerous Want to share The SWSP embodies the largest colleagues who have preceded me gathering of periodontists in our in private practice have shared their your story? region and, to the credit of those on experiences in development of their own the meetings committee, consistently local CE and study group programs as I Contact [email protected]

37 JOIN OR RENEW NOW!

2018 MEMBERSHIP DUES (Effective date of payment is determined by the date of postmark or online payment)

January 1, 2018 Payment of Membership Dues (current if paid by March 31, 2018) April 1, 2018 Assessment of $50 Delinquent Dues Penalty June 1, 2018 Automatic Termination of Membership for Non-Payment of Membership Dues

Does the following information reflect a change to your SWSP member information? r Yes r No r Change of Membership Category: From: ______To: ______

NAME______ADDRESS NAME______CITY/STATE ______ZIP CODE ______TELEPHONE (______)______FAX (______)______E-MAIL ______Please select one category of membership. r $175 Active Member (includes Academic and Southwest Society of Periodontists. The SWSP region includes Active Duty Military Periodontists) the States of Arkansas, Colorado, Louisiana, Nebraska, Limited to Periodontists, including Academic and Active Duty Oklahoma, and Texas. Military who are licensed to practice in the United States and who reside in the states of Arkansas, Colorado, r $125 Life Active Member Louisiana, Nebraska, Oklahoma or Texas, and who Active Member for the preceding 25 years and at least 65 meet the qualifications for Active Member as listed in Article years of age. Retains all of the privileges and responsibilities. III of the By-laws of the Southwest Society of Periodontists. of Active Members, including the rights to vote, to make nominations, to hold office and to serve on special committees. r $175 Academic Non-Periodontist Member Limited to individuals residing in the states of Arkansas, r $0 Life Non-Active Member Colorado, Louisiana, Nebraska, Oklahoma or Texas, who do not Active Member for preceding 25 years and 65 years of age. meet the qualifications for Active membership, but who are Retains all of the privileges and responsibilities of Active engaged in full-time research and/or teaching in Periodontics Members except the rights to vote, to make nominations and in accredited dental schools at the undergraduate and/or to hold office. May serve on special committees. Do not pay graduate level. Has all of the privileges and responsibilities of annual dues. Please return this form to notify SWSP of address, Active Members except the rights to vote, to make nominations phone, fax, e-mail changes. and to hold office. May serve on special committees. r $0 Retired Members r $0 Student Member Members in good standing in any dues-paying category who Student members do not pay annual dues and dues are waived completely retire from practice or teaching. Retain all of the for the first year after graduation from their training program. privileges and responsibilities of Active Members except the During the first year after graduation, graduates should rights to vote, to make nominations and to hold office. May request transfer to Active or Non-Resident membership serve on special committees. Do not pay annual dues. Please status and pay the appropriate dues. Please return this form return this form for address, phone, fax, e-mail changes. to request transfer to Active or Non-Resident status and/or to notify SWSP of address, phone, fax, e-mail changes. r $0 Honorary Members Honorary Members do not pay annual dues. Please return this r $135 Non-Resident Member form for address, phone, fax, e-mail changes. Members residing outside of the geographic boundaries of the To join SWSP or complete your membership renewal visit www.swsp.org

38 OFFICER & COMMITTEE ROSTER

Board Members Nominating Committee President Dr. Scott M. Dowell Chair Dr. Cora Marsaw President-elect Dr. Cora Marsaw Board Member 1 Dr. Natalie Frost Secretary Dr. Pilar Valderrama Board Member 2 Dr. Bradley Crump Secretary-elect Dr. Kristi Soileau Board Member 3 Dr. Pilar Valderrama Treasurer Dr. Guy Huynh-Ba Committee Member Dr. Scott Bedichek Treasurer-elect Vacant Committee Member Dr. Jeff Pope Past President Dr. Eduardo Lorenzana Member at Large Dr. Takanari Miyamoto Scientific Affairs Committee Member at Large Dr. Natalie Frost Chair Dr. Charles Powell Member at Large Dr. David Lipton Vice-chair Dr. Yong-Hee Chun Member at Large Dr. Matthew Steffer Committee Member Dr. Nikola Angelov Member at Large Dr. Daniela J. Zambon Committee Member Dr. Tapan Koticha Member at Large Dr. Gary DeWitt Committee Member Dr. Matt Byarlay Dr. Committee Member Pooja Maney Dr. Special Designations Committee Member Yong-Hee Chun Dr. Editor of the PROBE Newsletter Dr. Kayleigh Eaves Temple Committee Member Pilar Valderrama Webmaster Vacant John F. Prichard Prize for Graduate Research Subcommittee CMP Management Chair Dr. Natalie Frost Association Executive Debbie Peterson Strategic Long Range Planning Committee Event Manager Amber Meiske Chair Dr. John J. Dmytryk Vice-chair Dr. Eduardo Lorenzana Standing Committees of the General Assembly Committee Member Dr. Scott M. Dowell Annual Meetings Committee Committee Member Dr. Cora Marsaw Chair Dr. Matt Steffer Committee Member Dr. Teri Brooks Lovelace Vice-chair Dr. Kristi Soileau Committee Member Debbie Peterson Committee Member Dr. Sara A. Bender Committee Members Dr. Josh R. Chapa Standing Committees of the Board of Directors Committee Member Dr. Ellen Hall Executive Committee Member Dr. Nicole Litizzette Chair Dr. Scott M. Dowell Dr. Cora Marsaw Committee Member Dr. Steve Britain Committee Member Dr. Pilar Valderrama Committee Member Dr. Todd Keller Committee Member Committee Member Dr. Guy Huynh-Ba Committee Member Dr. Todd Scheyer Committee Member Dr. Brent Grimard Budget & Finance Liason from Board Directors Dr. Brian Mealey Chair Dr. Guy Huynh-Ba Vice-chair Dr. Pilar Valderrama Central Office Committee Committee Member Dr. Cora Marsaw Chair Dr. John J. Dmytryk Committee Member Dr. Kristi Soileau Vice-chair Dr. Eduardo Lorenzana By-Laws, Policies & Procedures Committee Member Dr. Guy Huynh-Ba Chair Dr. Bradley Crump Committee Member Dr. Brian Mealey Committee Member Committee Dr. John J. Dmytryk Dr. Committee Member Dr. Bradley Crump Member Teri Brooks Lovelace Membership Committee Chair Dr. Natalie Frost Ad Hoc Committees of the Board of Directors Vice-chair Dr. Takanari Miyamoto Exhibitor Committee Committee Member Dr. Guy Huynh-BA Chair Dr. Jeff Pope Committee Member Dr. Jennifer James Committee Member Dr. John Tunnell Committee Member Dr. Ali Sajadi Committee Member Dr. Samual Ellsworth Committee Member Dr. Blaine Calahan Committee Member Dr. Gary DeWitt Committee Member Dr. Edwin Sutherland Committee Member Dr. Bill Reeves Committee Member Dr. David Lipton Governmental and Regulatory Affairs Committee Member Dr. Matt Carlisle Chair Dr. John J. Dmytryk Committee Member Dr. David Deas Committee Member - Arkansa Dr. Fred Church Committee Member Dr. Tyler Borg Committee Member - Colorado Dr. Charles Powell Committee Member Dr. Gina Bonaventura Committee Member - Louisiana Dr. Gary DeWitt Committee Member Dr. Cuong Ha Committee Member - Nebraska Dr. Takanari Miyamoto Committee Member Dr. Stacy Beltran Committee Member - Oklahoma Dr. Bill Reeves Committee Member Dr. Lorenzo Mordini Committee Member - Texas Dr. Lisa Masters

Sedation Chair Dr. Charles Rader

39 Southwest Society of Periodontists Central Office PO Box 27874 Austin, TX 78755

2019 Winter Meeting Event: January 25-27, 2019 SAVE THE at the Dallas Marriott Las Colinas hotel, Irving, TX 2019 Summer Meeting Event: July 26-28, 2019 DATE at the Westin New Orleans Canal Place, New Orleans, LA www.swsp.org

The PROBE is published by the Southwest Society of Periodontists to serve as a scientific newsletter and to report current events and scientific material in a concise, easily read format. The PROBE will maintain a current attitude related to called meetings and current events in the American Academy of Periodontology, District 5, of Region of Federated Organizations, as well as the Southwest Society of Periodontists. Letters and materials of scientific and clinical interest are solicited and should be submitted directly to the Central Office of the Southwest Society of Periodontists. Opinions expressed in the PROBE do not necessarily represent those of the Editor or the Southwest Society of Periodontists. The PROBE is published by the Southwest Society of Periodontists, PO Box 27874, Austin, TX 78755. 512.314.5885. Correspondence regarding news and advertising should be directed to the above address Correspondence regarding membership, subscriptions, and changes of address should be directed to the Executive Director at the above address.