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December 2019 Veneer Restorations Bleaching Systems Orthodontic Treatment Osteonecrosis Circadian Behaviors JournaCALIFORNIA DENTAL ASSOCIATION Spotlight on Dental Student Research Alice Goodwin, DDS, PhD, and Kyle Jones, DDS, PhD Vol 47 N o 9 SAVE MORE ON DENTAL SUPPLIES THAN YOU PAY IN DUES There’s no better time to be an association member! Your benefits now include negotiated discounts and free shipping through The Dentists Supply Company. See how tdsc.com can help you save more on dental supplies than you pay in annual association dues. SHOP ONLINE AND START SAVING TODAY Dec. 2019 CDA JOURNAL, VOL 47, Nº12 XXX First line DEPARTMENTS 757 The Editor/Earworms and Merciful Acts 761 Letter to the Editor 763 Thank You to the 2019 Reviewers 765 Impressions 811 RM Matters/Reduce Risk, Increase Productivity With Cellphone Policies 815 Regulatory Compliance/HIPAA Myths Explained 765 819 Ethics/How To Handle a Difficult Situation 822 Tech Trends FEATURES 769 Spotlight on Dental Student Research An introduction to the issue. Alice Goodwin, DDS, PhD, and Kyle Jones, DDS, PhD 771 Minimally Invasive Veneer Restorations: Effect of Restorative Material on Traumatic Impact Strength This article discusses how modern restorative materials and adhesive techniques are capable of restoring traumatized teeth to the impact strength of natural intact teeth. Michelle Yang, BS; Erik Balinghassay, BS; Johnny Huynh, BS; Xuehui Liu, DDS; Chunling Ge, DDS PhD; and Shane Newport White, BDentSc, MS, MA, PhD 777 Titanium-Oxide Nanoparticles and Nanofibers Used Alone or With UV Light Activation This study evaluated the change in oxidation potential of synthesized TiO2 nanofibers (NFs) compared to commercial TiO2 nanoparticles (NPs). Christina Chi, BA, DDS; Brittney N. Springer, BS; Elvin Walemba, BSc, MRes, PhDc; Kevin E. Nick, PhD; Christopher C. Perry, PhD; and So Ran Kwon, DDS, MS, PhD, MS 783 Clinical and Microbial Changes in Orthodontic Patients Using Clear Aligners Vs. Fixed Appliances This pilot study investigated the clinical and microbial changes that occur in patients undergoing orthodontic treatment using fixed appliances and clear aligners. Joseph Mullen, BS; Melissa Agnello, PhD; Edward Viloria, DDS; Kenneth Chang Chien, BS; Emily Duong, BS; Masuma Rizvi, BDS; Pega Hajian, BS; Huiying Li, PhD; Baochen Shi, PhD; Kang Ting, DMD, DMedSc; Wenyuan Shi, PhD; Renate Lux, PhD; and Tingxi Wu, DDS, PhD 793 10-Year Institutional Retrospective Case-Control Study of Medication-Related Osteonecrosis of the Jaw This study looked at the association between ART and MRONJ for cancer therapy. Pardis Barati Mahvar, BSc; Amna Imran, DDS, MPhil, BDS; Reyes Enciso, PhD; Andrew Sanapanya, BS; Mohammad Khalifeh, DDS, MS; Parish P. Sedghizadeh, DDS, MS; and Laurel Henderson, DDS, MS 801 Circadian Behaviors of Oral and Skin Fibroblasts This study reports fibroblasts derived from mouse palatal mucosa and dorsal skin and suggests that oral wound healing involving fibroblast repopulation and contraction may follow a diurnal cycle. John Ngo, BS; Hodaka Sasaki, DDS, PhD; and Ichiro Nishimura, DDS, DMSc, DMD DECEMBER 2 0 1 9 755 CDA JOURNAL, VOL 47, Nº12 Volume 47, Number 12 JournaCALIFORNIA DENTAL ASSOCIATION December 2019 CDA Classifieds. Free postings. published by the Editorial Production Manuscript California Kerry K. Carney, DDS, CDE Randi Taylor Submissions Priceless results. Dental Association EDITOR-IN-CHIEF SENIOR GRAPHIC DESIGNER www.editorialmanager. 1201 K St., 14th Floor [email protected] com/jcaldentassoc Sacramento, CA 95814 Upcoming Topics 800.232.7645 Ruchi K. Sahota, DDS, CDE January/Importance ASSOCIATE EDITOR Letters to the Editor cda.org of Research in Dental Education www.editorialmanager. Brian K. Shue, DDS, CDE February/Aesthetics com/jcaldentassoc CDA Officers ASSOCIATE EDITOR March/CDA’s 150th R. Del Brunner, DDS Anniversary Subscriptions Gayle Mathe, RDH PRESIDENT Annual subscriptions are [email protected] SENIOR EDITOR Advertising available to association Sue Gardner members at a rate of $36. Richard J. Nagy, DDS Alice Goodwin, DDS, PhD ADVERTISING SALES To manage your printed PRESIDENT-ELECT Kyle Jones, DDS, PhD [email protected] Journal subscription online, [email protected] GUEST EDITORS 916.554.4952 log in to your cda.org account or email Judee Tippett-Whyte, DDS Andrea LaMattina, CDE [email protected] for VICE PRESIDENT PUBLICATIONS MANAGER Permission and assistance. View the [email protected] Reprints Kristi Parker Johnson publication online at Andrea LaMattina, CDE cda.org/journal. Ariane R. Terlet, DDS SENIOR COMMUNICATIONS PUBLICATIONS MANAGER SECRETARY SPECIALIST [email protected] [email protected] 916.554.5950 Joie R. Harrison Steven J. Kend, DDS COMMUNICATIONS AND TREASURER MEDIA RELATIONS SPECIALIST [email protected] CDA classifieds work harder to Blake Ellington TECH TRENDS EDITOR bring you results. Selling a practice Debra S. Finney, MS, DDS, SPEAKER OF THE HOUSE or a piece of equipment? Now you [email protected] Jack F. Conley, DDS EDITOR EMERITUS can include photos to help buyers Natasha A. Lee, DDS IMMEDIATE PAST PRESIDENT Robert E. Horseman, DDS see the potential. [email protected] HUMORIST EMERITUS And if you’re hiring, candidates Management Connect to the CDA community by anywhere can apply right from Peter A. DuBois following and sharing on social channels EXECUTIVE DIRECTOR the site. Looking for a job? You can post that, too. And the best part— Carrie E. Gordon CHIEF STRATEGY OFFICER @cdadentists it’s free to all CDA members. Kristine Allington Journal of the California Dental Association (ISSN 1043–2256) is published monthly by the CHIEF MARKETING OFFICER All of these features are designed to California Dental Association, 1201 K St., 14th Floor, Sacramento, CA 95814, 916.554.5950. Periodicals postage paid at Sacramento, Calif. Postmaster: Send address changes to Journal Alicia Malaby help you get the results you need, of the California Dental Association, 1201 K St., 14th Floor, Sacramento, CA 95814. COMMUNICATIONS faster than ever. Check it out for DIRECTOR The California Dental Association holds the copyright for all articles and artwork published herein. The Journal of the California Dental Association is published under the supervision of yourself at cda.org/classifieds. Cris Weber CDA’s editorial staff. Neither the editorial staff, the editor, nor the association are responsible for CREATIVE AND UX DIRECTOR any expression of opinion or statement of fact, all of which are published solely on the authority of the author whose name is indicated. The association reserves the right to illustrate, reduce, revise or reject any manuscript submitted. Articles are considered for publication on condition that they are contributed solely to the Journal of the California Dental Association. The association does not assume liability for the content of advertisements, nor do advertisements constitute endorsement or approval of advertised products or services. Copyright 2019 by the California Dental Association. All rights reserved. 756 DECEMBER 2 01 9 Editor CDA JOURNAL, VOL 47, Nº12 Earworms and Merciful Acts Kerry K. Carney, DDS, CDE veryone has had it happen. You hear a tune and cannot get it out of your mind. When things break down so completely This phenomenon has been described as a cognitive itch that you are living on the street, how does Eor an earworm. Once ensconced dental health still come to the fore? in your thoughts, it is very difficult to drive out. It can wake you up at night. It can weave its way into every thought you have. The song can be in day. She was like a time-lapse video Singing the theme from “Bonanza” and of itself annoying, like a certain where she is crystal clear and the or the refrain from “War” did not commercial about donating your cars rest of the population is a blur. eliminate the image from the to children, or, as in my case, the song People walk past her on their way recurring loop stuck in my head. can be simply cognitively sticky (like to a temporally structured day in a However, I think I have discovered almost any song by Phil Collins). life with a reliable social structure. a possible antidote: CDA Cares. I Online, there are several suggestions But she seemed disconnected, started thinking about CDA Cares. for how to get rid of these earworms. like a planet without an orbit. San Francisco has just over 8,000 My personal remedy involves either When things break down so homeless individuals. California non-lexical vocables to the theme completely that you are living on the as a whole has just under 130,000 from “Bonanza” or the insistent refrain street, how does dental health still homeless. That represents about a from Edwin Starr’s 1969 hit “War.” come to the fore? In a situation with no quarter of the national homeless The other day, I experienced a social backstop, how does the morning population.1 This population visual analog of this auditory tic. I ritual of toothbrushing still endure? makes up only a portion of the was on my way to a meeting of dental When we are presented with a people that CDA Cares helps. editors in San Francisco. I was scanning picture and no information, we have In 2012, the CDA Foundation the familiar urban scene through the a tendency to fill in the backstory held its first free dental clinic, CDA car window when I marked a street based on our own experience or fears. Cares, in Modesto, Calif. This original vignette. A youngish woman with no I kept thinking: What kind of little experiment was a collaboration with visible means of support and a large girl was she? Who showed her how the national organization Missions backpack and a bedroll was leaning to brush her teeth? Who instilled the of Mercy. The CDA Foundation has against a storefront wall. As I watched, importance of oral hygiene? Was it a now held 16 CDA Cares events. The she reached into her backpack, pulled hygienist, a dentist, a parent? Or was most recent was held in September out a toothbrush and toothpaste and it just the continuing echo of Ipana’s in San Bernardino.