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Natural History of Odontogenic Infection
Natural History of Odontogenic Infection The usual cause of odontogenic infections is necrosis of the pulp of the tooth, which is followed by bacterial invasion through the pulp chamber and into the deeper tissues. Necrosis of the pulp is the result of deep caries in the tooth, to which the pulp responds with a typical inflammatory reaction. Vasodilation and edema cause pressure in the tooth and severe pain as the rigid walls of the tooth prevent swelling. If left untreated the pressure leads to strangulation of the blood supply to the tooth through the apex and consequent necrosis. The necrotic pulp then provides a perfect setting for bacterial invasion into the bone tissue. Once the bacteria have invaded the bone, the infection spreads equally in all directions until a cortical plate is encountered. During the time of intrabony spread, the patient usually experiences sufficient pain to seek treatment. Extraction of the tooth (or removal of the necrotic pulp by an endodontic procedure) results in resolution of the infection. Direction of Spread of Infection The direction of the infection's spread from the tooth apex depends on the thickness of the overlying bone and the relationship of the bone's perforation site to the muscle attachments of the jaws. If no treatment is provided for it, the infection erodes through the thinnest, nearest cortical plate of bone and into the overlying soft tissue. If the root apex is centrally located, the infection erodes through the thinnest bone first. In the maxilla the thinner bone is the labial-buccal side; the palatal cortex is thicker. -
Clinical Practice Statements-Oral Contact Allergy
Clinical Practice Statements-Oral Contact Allergy Subject: Oral Contact Allergy The American Academy of Oral Medicine (AAOM) affirms that oral contact allergy (OCA) is an oral mucosal response that may be associated with materials and substances found in oral hygiene products, common food items, and topically applied agents. The AAOM also affirms that patients with suspected OCA should be referred to the appropriate dental and/or medical health care provider(s) for comprehensive evaluation and management of the condition. Replacement and/or substitution of dental materials should be considered only if (1) a reasonable temporal association has been established between the suspected triggering material and development of clinical signs and/or symptoms, (2) clinical examination supports an association between the suspected triggering material and objective clinical findings, and (3) diagnostic testing (e.g., dermatologic patch testing, skin-prick testing) confirms a hypersensitivity reaction to the suspected offending material. Originators: Dr. Eric T. Stoopler, DMD, FDS RCSEd, FDS RCSEng, Dr. Scott S. De Rossi, DMD. This Clinical Practice Statement was developed as an educational tool based on expert consensus of the American Academy of Oral Medicine (AAOM) leadership. Readers are encouraged to consider the recommendations in the context of their specific clinical situation, and consult, when appropriate, other sources of clinical, scientific, or regulatory information prior to making a treatment decision. Originator: Dr. Eric T. Stoopler, DMD, FDS RCSEd, FDS RCSEng, Dr. Scott S. De Rossi, DMD Review: AAOM Education Committee Approval: AAOM Executive Committee Adopted: October 17, 2015 Updated: February 5, 2016 Purpose The AAOM affirms that oral contact allergy (OCA) is an oral mucosal response that may be associated with materials and substances found in oral hygiene products, common food items, and topically applied agents. -
White Lesions of the Oral Cavity and Derive a Differential Diagnosis Four for Various White Lesions
2014 self-study course four course The Ohio State University College of Dentistry is a recognized provider for ADA, CERP, and AGD Fellowship, Mastership and Maintenance credit. ADA CERP is a service of the American Dental Association to assist dental professionals in identifying quality providers of continuing dental education. ADA CERP does not approve or endorse individual courses or instructors, nor does it imply acceptance of credit hours by boards of dentistry. Concerns or complaints about a CE provider may be directed to the provider or to ADA CERP at www.ada.org/goto/cerp. The Ohio State University College of Dentistry is approved by the Ohio State Dental Board as a permanent sponsor of continuing dental education ABOUT this FREQUENTLY asked COURSE… QUESTIONS… Q: Who can earn FREE CE credits? . READ the MATERIALS. Read and review the course materials. A: EVERYONE - All dental professionals in your office may earn free CE contact . COMPLETE the TEST. Answer the credits. Each person must read the eight question test. A total of 6/8 course materials and submit an questions must be answered correctly online answer form independently. for credit. us . SUBMIT the ANSWER FORM Q: What if I did not receive a ONLINE. You MUST submit your confirmation ID? answers ONLINE at: A: Once you have fully completed your p h o n e http://dent.osu.edu/sterilization/ce answer form and click “submit” you will be directed to a page with a . RECORD or PRINT THE 614-292-6737 unique confirmation ID. CONFIRMATION ID This unique ID is displayed upon successful submission Q: Where can I find my SMS number? of your answer form. -
Features of Reactive White Lesions of the Oral Mucosa
Head and Neck Pathology (2019) 13:16–24 https://doi.org/10.1007/s12105-018-0986-3 SPECIAL ISSUE: COLORS AND TEXTURES, A REVIEW OF ORAL MUCOSAL ENTITIES Frictional Keratosis, Contact Keratosis and Smokeless Tobacco Keratosis: Features of Reactive White Lesions of the Oral Mucosa Susan Müller1 Received: 21 September 2018 / Accepted: 2 November 2018 / Published online: 22 January 2019 © Springer Science+Business Media, LLC, part of Springer Nature 2019 Abstract White lesions of the oral cavity are quite common and can have a variety of etiologies, both benign and malignant. Although the vast majority of publications focus on leukoplakia and other potentially malignant lesions, most oral lesions that appear white are benign. This review will focus exclusively on reactive white oral lesions. Included in the discussion are frictional keratoses, irritant contact stomatitis, and smokeless tobacco keratoses. Leukoedema and hereditary genodermatoses that may enter in the clinical differential diagnoses of frictional keratoses including white sponge nevus and hereditary benign intraepithelial dyskeratosis will be reviewed. Many products can result in contact stomatitis. Dentrifice-related stomatitis, contact reactions to amalgam and cinnamon can cause keratotic lesions. Each of these lesions have microscopic findings that can assist in patient management. Keywords Leukoplakia · Frictional keratosis · Smokeless tobacco keratosis · Stomatitis · Leukoedema · Cinnamon Introduction white lesions including infective and non-infective causes will be discussed -
Studies of the Function of the Human Pylorus : and Its Role in The
+.1 Studúes OlTlæ Ftrnctíon OJTIrc Humanfolonts And,Iß R.ole InTlæ Riegulø;tíon OÍ Cústríß Drnptging David R. Fone Departments of Medicine and Gastroenterology, Royal Adelaide Hospital University of Adelaide August 1990 Table of Contents TABLE OF CONTENTS . SUMMARY vil DECLARATION...... X DED|CAT|ON.. .. ... xt ACKNOWLEDGMENTS xil CHAPTER 1 ANATOMY OF THE PYLORUS 1.1 INTRODUCTION.. 1 1.2 MUSCULAR ANATOMY 2 1.3 MUCOSAL ANATOMY 4 1.4 NEURALANATOMY 1.4.1 Extrinsic lnnervation of the Pylorus 5 1.4.2 lntrinsic lnnervation of the Pylorus 7 1.5 INTERSTITIAL CELLS OF CAJAL 8 1.6 CONCLUSTON 9 CHAPTER 2 MEASUREMENT OF PYLORIC MOTILITY 2.1 INTRODUCTION 10 2.2 METHODOLOG ICAL CHALLENGES 2.2.1 The Anatomical Mobility of the Pylorus . 10 2.2.2 The Narrowness of the Zone of Pyloric Contraction 12 2.3 METHODS USED TO MEASURE PYLORIC MOTILITY 2.3.1 lntraluminal Techniques 2.3.1.1 Balloon Measurements. 12 t 2.3 1.2 lntraluminal Side-hole Manometry . 13 2.3 1.9 The Sleeve Sensor 14 2.3 1.4 Endoscopy. 16 2.3 1.5 Measurements of Transpyloric Flow . 16 2.3 'I .6 lmpedance Electrodes 16 2.3.2 Extraluminal Techniques For Recording Pyl;'; l'¡"r¡iit¡l 2.3.2.'t Strain Gauges . 17 2.3.2.2 lnduction Coils . 17 2.3.2.3 Electromyography 17 2.3.3 Non-lnvasive Approaches For Recording 2.3.3.1 Radiology :ï:: Y:1":'1 18 2.3.9.2 Ultrasonography . 1B 2.3.3.3 Electrogastrography 19 2.3.4 ln Vitro Studies of Pyloric Muscle 19 2.4 CONCLUSTON. -
Student to Student Guides
Harvard School of Dental Medicine Student-to-Student Guide to Clinic: How to Excel in Third Year 2010-2011 Edition Adam Donnell Mindy Gil Brandon Grunes Sharon Jin Aram Kim Michelle Mian Tracy Pogal-Sussman Kim Whippy 1999 – Blaine Langberg & Justine Tompkins 2000 – Blaine Langberg & Justine Tompkins 2001 – Blaine Langberg & Justine Tompkins 2002 – Mark Abel & David Halmos 2003 – Ketan Amin 2004 – Rishita Saraiya & Vanessa Yu 2005 – Prathima Prasanna & Amy Crystal 2006 – Seenu Susarla & Brooke Blicher 2007 – Deepak Gupta & Daniel Cassarella 2008 – Bryan Limmer & Josh Kristiansen 2009 – Byran Limmer & Josh Kristiansen 2010 – Adam Donnell, Tracy Pogal-Sussman, Kim Whippy, Mindy Gil, Sharon Jin, Brandon Grunes, Aram Kim, Michelle Mian 1 2 Foreword Dear Class of 2012, We present the 12th edition of this guide to you to assist your transition from the medical school to the HSDM clinic. You have accomplished an enormous amount thus far, but the transformation to come is beyond expectation. Third year is challenging, but fun; you‘ll look back a year from now with amazement at the material you‘ve learned, the skills you‘ve acquired, and the new language that gradually becomes second nature. To ease this process, we would like to share with you the material in this guide, starting with lessons from our own experience. Course material is the bedrock of third year. Without knowing and fully understanding prevention, disease control, and the basics of dentistry, even the most technically skilled dental student can not provide patients with successful treatment. Be on time to lectures, don‘t be afraid to ask questions, and take some time to review your notes in the evening. -
Surgical Anatomy of the Infratemporal Fossa Surgical Anatomy of the Infratemporal Fossa
Surgical Anatomy of the Infratemporal Fossa Surgical Anatomy of the Infratemporal Fossa John D.Langdon Professor and Head of Department Department of Oral and Maxillofacial Surgery King’s College London, UK Barry K.B.Berkovitz Reader in Anatomy Division of Anatomy, Cell and Human Biology King’s College London, UK Bernard J.Moxham Professor of Anatomy and Head of Teaching in Biosciences Cardiff School of Biosciences Cardiff University, UK MARTIN DUNITZ © 2003 Martin Dunitz, a member of the Taylor & Francis Group First published in the United Kingdom in 2003 by Martin Dunitz, Taylor & Francis Group plc, 11 New Fetter Lane, London EC4P 4EE Tel.: +44 (0) 20 7583 9855 Fax.: +44 (0) 20 7842 2298 E-mail: [email protected] Website: http://www.dunitz.co.uk This edition published in the Taylor & Francis e-Library, 2005. “To purchase your own copy of this or any of Taylor & Francis or Routledge’s collection of thousands of eBooks please go to www.eBookstore.tandf.co.uk.” All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior permission of the publisher or in accordance with the provisions of the Copyright, Designs and Patents Act 1988 or under the terms of any licence permitting limited copying issued by the Copyright Licensing Agency, 90 Tottenham Court Road, London W1P OLP. Although every effort has been made to ensure that all owners of copyright material have been acknowledged in this publication, we would be glad to acknowledge in subsequent reprints or editions any omissions brought to our attention. -
Allergic and Immunologic Response of the Oral Mucosa: an Overview Snehashish Ghosh1, Shwetha Nambiar1, Shankargouda Patil2, Vanishri C
View metadata, citation and similar papers at core.ac.uk brought to you by CORE provided by eDENT Journals International Journal of Clinical Dental Sciences (2016), 6, 1–7 REVIEW ARTICLE Allergic and immunologic response of the oral mucosa: An overview Snehashish Ghosh1, Shwetha Nambiar1, Shankargouda Patil2, Vanishri C. Haragannavar1, Dominic Augustine1, Sowmya S.V1, Roopa S. Rao1 1Department of Oral Pathology & Microbiology, Faculty of Dental Sciences, M.S. Ramaiah University of Applied Sciences, Bengaluru, Karnataka, India, 2Department of Maxillofacial Surgery and Diagnostic Sciences, Division of Oral Pathology, College of Dentistry, Jazan University, Jazan, Saudi Arabia Keywords Abstract Allergic disease, diagnosis, oral lesions, Allergic and immunologic diseases very often manifest oral lesions in their earliest pathogenesis stages, an early diagnosis, which may be spurred by a dental examination, is a key for improved outcomes. After systemic diagnosis, oral lesions benefi t from special care Correspondence Dr. Snehashish Ghosh, Department of Oral by dentists in alliance with the medical team. This review aims to highlight the most Pathology & Microbiology, Faculty of Dental relevant allergic and immunologic conditions of the oral cavity, their pathogenesis, and Sciences, M.S. Ramaiah University of Applied their pathognomonic diagnostic features, which will navigate the clinicians to arrive at a Sciences, M.S.R.I.T. Post, MSR Nagar, prompt diagnosis and subsequent management. Bengaluru - 560 054, Karnataka, India. Email: [email protected] Received 12 January 2016; Accepted 14 June 2016 doi: 10.15713-ins-ijcds-07-01 Introduction emergence of immunotherapeutics will help to ameliorate these diseases.[2] An allergy is defi ned as an altered or changed response of the immune system to foreign proteins. -
ODONTOGENTIC INFECTIONS Infection Spread Determinants
ODONTOGENTIC INFECTIONS The Host The Organism The Environment In a state of homeostasis, there is Peter A. Vellis, D.D.S. a balance between the three. PROGRESSION OF ODONTOGENIC Infection Spread Determinants INFECTIONS • Location, location , location 1. Source 2. Bone density 3. Muscle attachment 4. Fascial planes “The Path of Least Resistance” Odontogentic Infections Progression of Odontogenic Infections • Common occurrences • Periapical due primarily to caries • Periodontal and periodontal • Soft tissue involvement disease. – Determined by perforation of the cortical bone in relation to the muscle attachments • Odontogentic infections • Cellulitis‐ acute, painful, diffuse borders can extend to potential • fascial spaces. Abscess‐ chronic, localized pain, fluctuant, well circumscribed. INFECTIONS Severity of the Infection Classic signs and symptoms: • Dolor- Pain Complete Tumor- Swelling History Calor- Warmth – Chief Complaint Rubor- Redness – Onset Loss of function – Duration Trismus – Symptoms Difficulty in breathing, swallowing, chewing Severity of the Infection Physical Examination • Vital Signs • How the patient – Temperature‐ feels‐ Malaise systemic involvement >101 F • Previous treatment – Blood Pressure‐ mild • Self treatment elevation • Past Medical – Pulse‐ >100 History – Increased Respiratory • Review of Systems Rate‐ normal 14‐16 – Lymphadenopathy Fascial Planes/Spaces Fascial Planes/Spaces • Potential spaces for • Primary spaces infectious spread – Canine between loose – Buccal connective tissue – Submandibular – Submental -
1: Oral Mucosa Diseases in Dogs: How Helpful Are The
Oral mucosal diseases in dogs: How helpful are the fundamentals of dermatopathology? Cynthia M. Bell, MS, DVM, Diplomate ACVP Associate Professor, Kansas State University Manhattan, KS, USA [email protected] The objective of this presentation is to provide a broad overview of stomatitis in dogs, including immune-mediated mucosal and mucocutaneous diseases. There is little emphasis on gingivitis since this condition is so often related to primary dental and periodontal disease. Particular attention is given to regionally extensive or generalized oral mucosal inflammation, with emphasis on distinguishing features that will help the pathologist formulate and rank a differential diagnosis. Oral mucosal diseases in dogs • Plaque-associated stomatitis/CUPS • Immune-mediated/autoimmune diseases o Skin diseases with oral involvement § Pemphigus vulgaris § Mucous membrane pemphigoid § Paraneoplastic pemphigoid § Erythema multiforme § Lupus erythematosus, mostly DLE o Chronic stomatitis • Mucosal drug eruption • Other infectious (Candidiasis, acute viral infection) • Other non-infectious causes (thermal or chemical burn, uremia) • Neoplasia (e.g. epitheliotropic T cell lymphoma) Plaque-associated stomatitis (aka. contact stomatitis, CUPS) The most singular form of stomatitis in dogs has, for the past ~20 years, been referred to as CUPS (canine ulcerative paradental stomatitis). As a disease entity, CUPS was conceived within the clinical setting; therefore, many pathologists may not be aware of or have only a casual familiarity with the syndrome. It is common for dogs to develop oral mucosal ulcerations (“kissing lesions”) at sites of contact—usually where the buccal mucosa and lateral lingual mucosa contacts the larger tooth surfaces (i.e. canine teeth and carnassial teeth). 1 This condition is thought to be an exaggerated immune-mediated inflammatory response to plaque on the tooth surface (“plaque intolerance”), therefore, “plaque associated stomatitis” is a term that is favored by many veterinarians, myself included. -
5 Allergic Diseases (And Differential Diagnoses)
Chapter 5 5 Allergic Diseases (and Differential Diagnoses) 5.1 Diseases with Possible IgE Involve- tions (combination of type I and type IVb reac- ment (“Immediate-Type Allergies”) tions). Atopic eczema will be discussed in a separate section (see Sect. 5.5.3). There are many allergic diseases manifesting in The maximal manifestation of IgE-mediated different organs and on the basis of different immediate-type allergic reaction is anaphylax- pathomechanisms (see Sect. 1.3). The most is. In the development of clinical symptoms, common allergies develop via IgE antibodies different organs may be involved and symp- and manifest within minutes to hours after al- toms of well-known allergic diseases of skin lergen contact (“immediate-type reactions”). and mucous membranes [also called “shock Not infrequently, there are biphasic (dual) re- fragments” (Karl Hansen)] may occur accord- action patterns when after a strong immediate ing to the severity (see Sect. 5.1.4). reactioninthecourseof6–12harenewedhy- persensitivity reaction (late-phase reaction, LPR) occurs which is triggered by IgE, but am- 5.1.1 Allergic Rhinitis plified by recruitment of additional cells and 5.1.1.1 Introduction mediators.TheseLPRshavetobedistin- guished from classic delayed-type hypersensi- Apart from being an aesthetic organ, the nose tivity (DTH) reactions (type IV reactions) (see has several very interesting functions (Ta- Sect. 5.5). ble 5.1). It is true that people can live without What may be confusing for the inexperi- breathing through the nose, but disturbance of enced physician is familiar to the allergist: The this function can lead to disease. Here we are same symptoms of immediate-type reactions interested mostly in defense functions against are observed without immune phenomena particles and irritants (physical or chemical) (skin tests or IgE antibodies) being detectable. -
Allergy and Oral Mucosal Disease
Allergy and Oral Mucosal Disease Shiona Rachel Rees B.D.S. F.D.S. R.C.P.S. A thesis presented for the degree of Doctor of Dental Surgery of the University of Glasgow Faculty of Medicine University of Glasgow Glasgow Dental Hospital & School May 2001 © Shiona Rachel Rees, May 2001 ProQuest Number: 13833984 All rights reserved INFORMATION TO ALL USERS The quality of this reproduction is dependent upon the quality of the copy submitted. In the unlikely event that the author did not send a com plete manuscript and there are missing pages, these will be noted. Also, if material had to be removed, a note will indicate the deletion. uest ProQuest 13833984 Published by ProQuest LLC(2019). Copyright of the Dissertation is held by the Author. All rights reserved. This work is protected against unauthorized copying under Title 17, United States C ode Microform Edition © ProQuest LLC. ProQuest LLC. 789 East Eisenhower Parkway P.O. Box 1346 Ann Arbor, Ml 48106- 1346 fGLASGOW UNIVERSITY .LIBRARY: \ 1 ^ 5 SUMMARY The purpose of this study was to assess the prevalence of positive results to cutaneous patch testing in patients with oral mucosal diseases and to assess the relevance of exclusion of identified allergens to the disease process. It was also attempted to identify microscopic features that were related to a hypersensitivity aetiology in patients with oral lichenoid eruptions. The analysis was carried out retrospectively in the Departments of Oral Medicine and Oral Pathology in Glasgow Dental Hospital And School and the Contact Dermatitis Investigation Unit in the Royal Infirmary, Glasgow.