DOCSLIB.ORG

Root Apical Third and Canal Morphology of Teeth with Hypercementosis

Total Page：16

File Type：pdf, Size：1020Kb

Download full-text PDF Read full-text
Root Apical Third and Canal Morphology of Teeth with Hypercementosis original article Root apical third and canal morphology of teeth with hypercementosis Liliana Aparecida Pimenta de BARROS1 Bethânia Camargo PINHEIRO2 Rogério Albuquerque AZEREDO1 Alberto CONSOLARO3 Tiago Novaes PINHEIRO4 ABSTRACT aminers and submitted to Kappa agreement test. The data obtained was compared through non-parametric Kruskal- Objective: This study aims at studying the influence of Wallis one-way analysis of variance test, and the Dunn test hypercementosis over root and root canal morphology us- was applied for individual comparisons. Results: The root ing different methods of observation (clearing technique, clearing examination showed higher frequency of club radiography, stereomicroscopy and optical microscopy). shaped hypercementosis (65%) followed by focal hyperce- Methods: 130 teeth were selected for morphological com- mentosis (35%). Teeth with hypercementosis showed sig- parative evaluation; all teeth were previously radiographed nificant increase in the presence of apical deltas (53.3%). and stereomicroscopically evaluated. Out of these, 60 teeth A higher frequency of root canal constrictions (55%), and with hypercementosis and 30 without it were selected for changes in the original root canal path (46.6%) were also clearing technique evaluation. The analysis was based on observed. Microscopic evaluation supports the influence of aspects such as: type of hypercementosis; root canal num- hypercementosis over the morphological characteristics of ber and configuration; root surface and presence of apical root apical third formation. Conclusions: These findings foramen and apical deltas. The remaining 20 teeth with hy- show the existence of a complex root canal anatomy at percementosis were microscopically compared to 20 teeth the apical third of teeth with hypercementosis, which may with normal root formation by means of the Hematoxylin hinder root canal treatment. and Eosin (H.E.) staining technique, so as to study the ce- mentum deposition pattern and morphological aspects of Keywords: Hypercementosis. Dental pulp cavity. the root canal. The evaluation was performed by two ex- Endodontics. How to cite this article: Barros LAP, Pinheiro BC, Azeredo RA, Consolaro A, Pi- » The authors report no commercial, proprietary or inancial interest in the prod- nheiro TN. Root apical third and canal morphology of teeth with hypercementosis. ucts or companies described in this article. Dental Press Endod. 2013 Sept-Dec;3(3):23-31. doi: http://dx.doi.org/10.14436/endo033en(023-031)oar. Submitted: August 17, 2013. Revised and accepted: August 18, 2013. 1 Associate professor, Federal University of Espírito Santo (UFES). 2PhD in Endodontics, School of Dentistry — University of São Paulo/Bauru. Contact address: Tiago Novaes Pinheiro 3Full professor of Pathology, USP. Rua Conde de Anadia, 23 – Yellow Tower – Ap. 404, Parque 10 CEP: 69.055-691 – Manaus/AM – Brazil 4Oral Pathology, University of the State of Amazonas (UEA). E-mail: [email protected] © 2013 Dental Press Endodontics 23 Dental Press Endod. 2013 Sept-Dec;3(3):23-31 [ original article ] Root apical third and canal morphology of teeth with hypercementosis Introduction deposition can contribute to the formation of multiple Hypercementosis is characterized by excessive foramina during cementum deposition resulting from deposit of cementum beyond the physiologic limits hypercementosis, thus originating the apical deltas.1,9 of the teeth, promoting an abnormal thickness of the The lack of recent studies related to this subject, apex that becomes round-shaped and/or with a mac- added to potential endodontic implications, inspire the roscopically altered appearance. assessment of morphological differences in the apical The incidence of hypercementosis by race or popu- third of the root and the root canal of teeth with hyper- lation group has not yet been established. Gardner and cementosis. The present study applied different meth- Goldstein1 studied the frequency of the phenomenon ods to perform these morphological observations and in 137 individuals, with 529 teeth being compromised a comparative study was established among them in by the process. Their study reported an average of 3.8 order to judge their diagnostic value. teeth with hypercementosis per individual, with a mean age of 47.3 years old and whose most affected teeth Material and Methods were the premolars. Another study demonstrated tooth The 130 teeth examined in this study were se- root hypercementosis in 84% of a collection compris- lected from the teeth bank of the routine archives of ing 104 skeletons of Barbadian slaves from XVII to one of the author’s laboratory of Oral Pathology. The XIX centuries.2 Additionally, root hypercementosis was specimens were kept in 10% formalin solution, placed found in 10 out of 54 specimens gathered from prehis- into small containers and labeled for identification. toric coastal populations of Texas, USA.3 A consent for using human tissue was obtained from The etiology of hypercementosis is attributed to an Institutional Review Board. several conditions such as functional stress due to oc- In selecting the sample, the following diagnostic cri- clusion forces; continuous dental eruption; incorporation teria were applied: cementum formation beyond the of periodontal cementicle during physiologic cementum physiologic limits of the teeth, with changes in root deposition; inflammatory reactional deposition; as well morphology that could be macroscopically detectable. as systemic factors such as atherosclerosis, acromegaly, The sample comprised 80 teeth with hypercementosis arthritis, thyroid diseases and Paget’s disease.1-13 and 50 without it. Out of these specimens, 60 teeth with Alterations in root morphology due to hypercemen- hypercementosis and 30 without it were selected for tosis comprise club shape hypercementosis, which re- analysis with the clearing technique. Out of the 40 re- sults from cementum deposition in all root surfaces; maining teeth, 20 with hypercementosis and 20 without focal hypercementosis, globular cementum deposition it were selected for microscopic analysis. in one of the root surfaces; and circular cementum hy- The specimens with hypercementosis were addition- perplasia (CCH), cementum lateral deposition on the ally classified by means of stereomicroscopy according root surface without affecting the apex.14 to their morphological characteristics, including the Hypercementosis does not radiographically alter the type of hypercementosis, the surface, the longitudinal biologic space relationship between the root surface, root axis and the visualization of the apical foramen. periodontal ligament and the alveolar bone. Although hy- After this classification, the teeth were radiographed percementosis can be identified through common radio- with a 70Kvp and 7,5mA x-ray device (Dabi-Atlante, SP, graphic techniques, the latter do not allow one to estimate Brazil), with a 16-cm cone, during an exposition period the amount of extra cementum in the affected root since of 0.5 seconds. The radiographic films used were Kodak dentin and cementum have the same radiodensity.1,15 Ultraspeed DF-58 (Eastman Kodak, NY, USA) and the Microscopic studies of hypercementosis report thick radiographic developing process used was the tempera- layers of cementum characterized by deposition of ture-time one during a 3.5-minute developing period. symmetric, highly basophilic lines parallel to the den- The radiographs were examined by two independent- tinal surface. Occasionally, atypical cementum deposi- ly trained observers using an X-ray viewer and magnify- tions are identified in focal areas as external cementum ing lens (2X) in a dark room. The radiographic aspects of projections. The presence of blood vessels and nervous the alterations in root radiodensity between the cemen- filaments associated with irregular apical cementum tum and the dentin at the apical third were considered. © 2013 Dental Press Endodontics 24 Dental Press Endod. 2013 Sept-Dec;3(3):23-31 Barros LAP, Pinheiro BC, Azeredo RA, Consolaro A, Pinheiro TN Additionally, the morphological aspects of the root Root canal clearing was established as a standard for all such as number, distribution and surface, as well as the morphological aspects studied. direction, acquired due to hypercementosis, and root Statistical analysis was carried out by means of canal breadth at the apical third were also considered. the non-parametric Kruskal-Wallis one-way analysis The 50 teeth without hypercementosis were used as of variance test which was used to determine if there comparative basis. were significant differences between the hyperce- The 90 teeth chosen for this part of the study mentosis and no hypercementosis group. The Dunn (60 with and 30 without hypercementosis) were divided test was applied for individual comparisons. Differ- into groups of maxillary molars, mandibular molars, ences were considered significant at P < 0.05. maxillary premolars, mandibular premolars, maxil- The 40 remaining specimens were divided into two lary anterior teeth and mandibular anterior teeth. Each groups: A = 20 teeth with hypercementosis; B = 20 group comprised 10 teeth with hypercementosis and 5 teeth without hypercementosis, with 5 maxillary molars, teeth without it. 5 mandibular molars, 5 maxillary premolars and 5 man- Access cavities were prepared and the teeth were dibular premolars in each group. The root apical third of immersed in 5% sodium hypochlorite solution for 24 the specimens were sectioned for histochemical proce- hours,
Load more

Recommended publications
  • Odontogenic Fibroma
    J Formos Med Assoc 2011;110(1):27–35 Contents lists available at ScienceDirect Volume 110 Number 1 January 2011 ISSN 0929 6646 Journal of the Journal of the Formosan Medical Association Formosan Medical Association Treatment of colorectal cancer in Taiwan Antimicrobial resistance in Taiwan Cyclic vomiting syndrome Stent implantation for coronary artery disease Formosan Medical Association Journal homepage: http://www.jfma-online.com Taipei, Taiwan Original Article Odontogenic Fibroma: A Clinicopathological Study of 15 Cases Hung-Pin Lin,1 Hsin-Ming Chen,2,3,4 Chuan-Hang Yu,5,6 Hsiang Yang,4 Ru-Cheng Kuo,4 Ying-Shiung Kuo,4,7 Yi-Ping Wang1,3,4* Background/Purpose: Odontogenic fibroma (ODF) is a rare odontogenic tumor. It can be further divided into peripheral odontogenic fibroma (PODF) and central odontogenic fibroma (CODF). This retrospective study evaluated the clinical and histopathological features of 15 ODFs in Taiwanese patients. Methods: Fifteen consecutive cases of ODF were collected from 1984 to 2009. The clinical data and micro- scopic features of these cases were reviewed and analyzed. Results: Twelve PODFs were excised from six male and six female patients (mean age: 35 years) and three CODFs from two male and one female patients (mean age: 11 years). Eight of the 12 PODFs were found on the mandibular gingiva and four on the maxillary gingiva, with the most common site being the mandibular anterior and premolar region (5 cases). Two CODFs were located in the molar region of the mandible and one in the anterior maxilla. Two CODFs showed a mixed lesion and one a radiolucent lesion.
    [Show full text]
  • Optical Microscopic, Microradiographic and Scanning Electron Microscopic Observations of Some Dens Invaginatus
    Original J. Showa Univ. Dent. Soc. 15: 7-16, 1995 Optical Microscopic, Microradiographic and Scanning Electron Microscopic Observations of Some Dens Invaginatus Tetsuo KODAKAand Shohei HIGASHI SecondDepartment of Oral Anatomy,Showa University School of Dentistry 1-5-8 Hatanodai,Shinagawa-ku, Tokyo, 142 Japan (Chief:Prof. ShoheiHigashi) Abstract: The simple or branched invaginations of dens invaginatus were histologically observed by using 6 ground sections (2 molars and 4 incisors). In all the teeth, the invagina- tions have hypoplastic enamel showing a variable thickness and an irregular outline. The rel- atively thick enamel irregularly arranged the Retzius lines and prismless structures were present in the innermost layers besides the surface layers. In 4 teeth, enamel-free areas were partially found on the dentin surfaces, and afibrillar cementum occasionally covered the enamel-free areas as well as the enamel surfaces. The dentin of a molar tooth had giant tubules between the dichotomously branched invaginations and other giant tubules opened into the invagination floor. Some dentinal tubules in the terminal regions had abnormal structures similar to the Tomes' granules adjacent to the invaginations of the 2 molar teeth. In all the incisor teeth, a seam line of dentin fusion or a slit line succeeding to the dental pulp cavity was present in the dentin under the linguogingival ridge. Thus, the gross formation of dens invaginatus also causes the invagination to form locally abnormal structures, especially in the enamel regions; although some findings have been previously reported. Key words: dens in dente, invagination, prismless enamel, afibrillar cementum, enamel-free area It is strongly suggested that most of the dens lar cementum25) including cementicle-like globular in dente, recently named dens invaginatus, are structures26) on the floors, although the dentin formed by the abnormal infolding of an enamel under the fissures generally shows a normal organ towards the dental papilla during a tooth structure.
    [Show full text]
  • Oral Histology Lec.1 Lab.1 Preparation of Histological Specimens
    Oral Histology Lec.1 Lab.1 Dr.Munir Nasr Preparation of histological specimens Histology (compound of the Greek words: histo “tissue”, and logy “science”) is the study of the microscopic anatomy of cells and tissues of plants and animals. It is commonly performed by examining cells and tissues by sectioning and staining, followed by examination under a light or electron microscopes. Histological studies may be conducted via tissue culture, where live cells can be isolated and maintained in a proper environment outside the body for various research projects. The ability to visualize or differentially identify microscopic structures is frequently enhanced through the use of histological stains. The steps of sample preparations: 1. Tissue fixation 2.Tissue processing 3. Tissue cutting or sectioning 4. Tissue staining Tissue fixation Fixation is a complex series of chemical events that differ for the different groups of substance found in tissues. The aim of fixation: 1- To prevent autolysis and bacterial attack. 2- To fix the tissues so they will not change their volume and shape during processing. 3 - To prepare tissue and leave it in a condition which allow clear staining of sections. 1 4 . To leave tissue as close as their living state as possible, and no small molecules should be lost. Fixation is coming by reaction between the fixative and protein which form a gel, so keeping everything as their in vivo relation to each other. Factors affect fixation: -PH. -Temperature. -Penetration of fixative. -Volume of tissue. According to previous factors we can determine the concentration of fixative and fixation time. Types of fixative: Acetic acid, Formaldehyde, Ethanol, Glutaraldehyde, Methanol and Picric acid.
    [Show full text]
  • Dental Follicle, Hyperplasia, Odontogenic Fibroma
    J. Nihon Univ Sch. Dent., Vol. 33, 166-173, 1991 Pathological Study of the Hyperplastic Dental Follicle Yohko FUKUTA 1, Morio TOTSUKA 1, Yasunori TAKEDA 2 and Hirotsugu YAMAMOTO 3 (Received 22 February and accepted 9 April 1991) Key words: dental follicle, hyperplasia, odontogenic fibroma, impacted tooth Abstract Eleven specimens of hyperplastic dental follicles were studied clinicopath- ologically, with reference to the patient's sex and age at the time of diagnosis, site of the lesions, and histopathology. The patients comprised 6 males and 5 females with an average age of 15.7 years (range 10 to 23 years). Two cases involved multiple lesions, and 9 a single lesion. The lesions were related to impaction of the canine, second premolar, second molar or third molar. Radiographically, the lesions showed various degrees of radiolucency around the crown of the impacted tooth. Most of the cases were diagnosed clinically as dentigerous cyst. The histopathological features of the lesions were similar to those of normal dental follicular tissue around the developing tooth. No tumorous features such as odontogenic fibroma, odontogenic myxoma or myxofibroma were evident in the lesions. Introduction Hyperplastic dental follicle around an embedded tooth is an asymptomatic lesion occasionally showing slight swelling in the affected area. It appears radio- graphically as a well circumscribed cystic radiolucency surrounding the crown of the impacted tooth and has often been misdiagnosed clinically as dentigerous cyst. Histologically, such hyperplastic dental follicles are composed of a mass of densely or loosely arranged connective tissue containing scattered odontogenic epithelial rests, and such findings have been confused with odontogenic fibroma, odontogenic myxoma, odontogenic myxofibroma or other odontogenic tumors.
    [Show full text]
  • Hrvatsko Stomatološko Nazivlje Nakladnik: Institut Za Hrvatski Jezik I Jezikoslovlje
    INSTITUT ZA HRVATSKI JEZIK I JEZIKOSLOVLJE crvena: siva: C: 0 C: 0 M: 100 M: 0 Y: 85 Y: 0 K: 5 K: 50 Hrvatsko stomatološko nazivlje NAKLADNIK: Institut za hrvatski jezik i jezikoslovlje ZA NAKLADNIKA: Željko Jozić BIBLIOTEKA: Nazivlje i nazivoslovlje UREDNICA BIBLIOTEKE: Maja Bratanić NIZ: Terminološki rječnici Strune Knjiga br. 6 GRafičkA PRIPREMA: Davor Milašinčić OBLIKOVANJE NASLOVNICE: Davor Milašinčić ISBN 978-953-7967-36-9 Hrvatsko stomatološko nazivlje Urednik: Marin Vodanović Izvršna urednica: Ana Ostroški Anić Autori: Ratka Borić, Ivan Brakus, Livia Cigić, Ana Čarić, Jelena Dumančić, Vesna Fugošić, Kristina Goršeta, Vana Košta, Maja Marinović Guić, Danijela Matošević, Domagoj Matošević, Slađana Milardović, Dubravka Negovetić Vranić, Ana Ostroški Anić, Boris Pažin, Ana Poljičanin, Ivan Puhar, Viktorija Runac, Ivana Savić Pavičin, Suzana Varga, Joško Viskić, Marin Vodanović, Perina Vukša Nahod, Ivan Zajc Ostali suradnici: Marina Bergovec, Jurica Budja, Ivana Kurtović Budja, Lana Hudeček, Milica Mihaljević, Bruno Nahod, Maja Lončar, Siniša Runjaić Institut za hrvatski jezik i jezikoslovlje Zagreb, 2015. U e-biblioteci Terminološki rječnici Strune objavljuju se terminološke zbirke koje su nastale kao rezultat pojedinih projekata u okviru programa Izgradnja hrvatskoga strukovnog nazivlja – Struna. Struna je terminološka baza Instituta za hrvatski jezik i jezikoslovlje u kojoj se terminografski i jezično obrađuje nazivlje raznih struka radi stvaranja, usklađivanja i usustavljivanja nazivlja na hrvatskom jeziku. Od 2012. godine baza se može pretraživati na internetskoj adresi http://struna.ihjj.hr/. Cilj je ove biblioteke učiniti pojedinačne terminološke zbirke Strune dostupnima i u cjelovitu tekstualnom obliku koji je moguće pretraživati po raznim kriterijima i po potrebi otisnuti. U ovom se svesku donosi nazivlje obrađeno u okviru projekta Hrvatske zaklade za znanost Hrvatsko stomatološko nazivlje koji je vodio doc.
    [Show full text]
  • Surgical Intervention and Histomorphologic Spectrum of Peripheral Ossifying Fibroma : a 1 Year Follow up Case Report
    Case reports Annals and Essences of Dentistry 10.5368/aedj.2017.9.1.2.1 SURGICAL INTERVENTION AND HISTOMORPHOLOGIC SPECTRUM OF PERIPHERAL OSSIFYING FIBROMA : A 1 YEAR FOLLOW UP CASE REPORT 1 Tanuja B 1 1 Post Graduate 2 Krishna Mohana Reddy K 2 Professor and Head 3 Hemakumar C H 3 Post Graduate 4 Himabindu L 4 Post Graduate 1,2,3,4 Department of Periodontology, G.PullaReddy Dental College and Hospital ,Kurnool, Andhra Pradesh, India. ABSTRACT Localised gingival enlargements are commonly seen in the oral cavity. Most of these lesions are reactive and non-neoplastic in nature. Clinically it is always not possible to differentiate one specific gingival enlargement from other. Confirmatory diagnosis is made by histologic analysis. Peripheral ossifying fibroma(POF) is one such entity the confirmatory diagnosis of which is made by histopathological features. It is a reactive beningn lesion. The present case report describes a 20- year- old male, who visited the Department of Periodontology with the chief compliant of swelling of gums in the upper front teeth region since 3 months. His past dental history reveals that he had similar type of overgrowth 1year back and had undergone surgical excision 6months back. Intraoral examination revealed a solitary, pedunculated mass involving interdental papilla in relation to 11,21. His intraoral radiograph showed boneloss in relation to 11,21. Surgical excision of the lesion was done by scalpel method followed by histopathologic examination for confirmatory diagnosis. As the overgrowth was re-occurred in this patient the present case report mainly emphasis about the surgical procedure to be done and the close post operative follow up required.
    [Show full text]
  • Hrvatsko Stomatološko Nazivlje Nakladnik: Institut Za Hrvatski Jezik I Jezikoslovlje
    INSTITUT ZA HRVATSKI JEZIK I JEZIKOSLOVLJE crvena: siva: C: 0 C: 0 M: 100 M: 0 Y: 85 Y: 0 K: 5 K: 50 Hrvatsko stomatološko nazivlje NAKLADNIK: Institut za hrvatski jezik i jezikoslovlje ZA NAKLADNIKA: Željko Jozić BIBLIOTEKA: Nazivlje i nazivoslovlje UREDNICA BIBLIOTEKE: Maja Bratanić NIZ: Terminološki rječnici Strune Knjiga br. 6 GRafičkA PRIPREMA: Davor Milašinčić OBLIKOVANJE NASLOVNICE: Davor Milašinčić ISBN 978-953-7967-36-9 Hrvatsko stomatološko nazivlje Urednik: Marin Vodanović Izvršna urednica: Ana Ostroški Anić Autori: Ratka Borić, Ivan Brakus, Livia Cigić, Ana Čarić, Jelena Dumančić, Vesna Fugošić, Kristina Goršeta, Vana Košta, Maja Marinović Guić, Danijela Matošević, Domagoj Matošević, Slađana Milardović, Dubravka Negovetić Vranić, Ana Ostroški Anić, Boris Pažin, Ana Poljičanin, Ivan Puhar, Viktorija Runac, Ivana Savić Pavičin, Suzana Varga, Joško Viskić, Marin Vodanović, Perina Vukša Nahod, Ivan Zajc Ostali suradnici: Marina Bergovec, Jurica Budja, Ivana Kurtović Budja, Lana Hudeček, Milica Mihaljević, Bruno Nahod, Maja Lončar, Siniša Runjaić Institut za hrvatski jezik i jezikoslovlje Zagreb, 2015. U e-biblioteci Terminološki rječnici Strune objavljuju se terminološke zbirke koje su nastale kao rezultat pojedinih projekata u okviru programa Izgradnja hrvatskoga strukovnog nazivlja – Struna. Struna je terminološka baza Instituta za hrvatski jezik i jezikoslovlje u kojoj se terminografski i jezično obrađuje nazivlje raznih struka radi stvaranja, usklađivanja i usustavljivanja nazivlja na hrvatskom jeziku. Od 2012. godine baza se može pretraživati na internetskoj adresi http://struna.ihjj.hr/. Cilj je ove biblioteke učiniti pojedinačne terminološke zbirke Strune dostupnima i u cjelovitu tekstualnom obliku koji je moguće pretraživati po raznim kriterijima i po potrebi otisnuti. U ovom se svesku donosi nazivlje obrađeno u okviru projekta Hrvatske zaklade za znanost Hrvatsko stomatološko nazivlje koji je vodio doc.
    [Show full text]
  • Glossary of Periodontal Terms.Pdf
    THE AMERICAN ACADEMY OF PERIODONTOLOGY Glossary of Periodontal Te rms 4th Edition Copyright 200 I by The American Academy of Periodontology Suite 800 737 North Michigan Avenue Chicago, Illinois 60611-2690 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, or otherwise without the express written permission of the publisher. ISBN 0-9264699-3-9 The first two editions of this publication were published under the title Glossary of Periodontic Terms as supplements to the Journal of Periodontology. First edition, January 1977 (Volume 48); second edition, November 1986 (Volume 57). The third edition was published under the title Glossary vf Periodontal Terms in 1992. ACKNOWLEDGMENTS The fourth edition of the Glossary of Periodontal Terms represents four years of intensive work by many members of the Academy who generously contributed their time and knowledge to its development. This edition incorporates revised definitions of periodontal terms that were introduced at the 1996 World Workshop in Periodontics, as well as at the 1999 International Workshop for a Classification of Periodontal Diseases and Conditions. A review of the classification system from the 1999 Workshop has been included as an Appendix to the Glossary. Particular recognition is given to the members of the Subcommittee to Revise the Glossary of Periodontic Terms (Drs. Robert E. Cohen, Chair; Angelo Mariotti; Michael Rethman; and S. Jerome Zackin) who developed the revised material. Under the direction of Dr. Robert E. Cohen, the Committee on Research, Science and Therapy (Drs. David L.
    [Show full text]
  • K En Fr Es Ca Kat
    k en fr es ca kat 1 abaxial abaxial abaxial abaxial izond. 2 biopulpotomy biopulpotomie biopulpotomía biopulpotomia iz. 3 aboral éloigné de la bouche aboral aboral izond. 4 abrasion abrasion abrasión abrasió iz. 5 abrasive abrasif abrasivo abrasiu izond. 7 cold abscess abcès froid absceso frío abscés fred iz. 8 submandibular abscess abcès sous-mandibulaire absceso submandibular abscés submandibular iz. 9 anodontia anodonthie anodoncia anodòncia iz. 10 absorb, to absorber absorber absorbir ad. 11 absorption absorption absorción absorció iz. 12 focal focal focal focal izond. 13 infragnathia infragnathie infragnacia infragnàtia iz. 14 abutment pilier pilar pilar iz. 15 pin and tube abutment fixation à tenon et soporte de espiga y tubo pilar de pern i tub iz. tube 16 acanthosis acanthose acantosis acantosi iz. 17 accelerator accélérateur acelerador accelerador iz. 18 accretion accroissement acreción acreció iz. 19 acellular acellulaire acelular acel·lular izond. 20 acheilia achélie aqueilia aquília iz. 20 acheilia achélie aquelia aquília iz. 20 acheilia achilie aqueilia aquília iz. 20 acheilia achilie aquelia aquília iz. 21 acid acide ácido àcid izond. 22 acid acide ácido àcid iz. 23 ascorbic acid acide ascorbique ácido ascórbico àcid ascòrbic iz. 24 lactic acid acide lactique ácido láctico àcid làctic iz. 25 phosphoric acid acide phosphorique ácido fosfórico àcid fosfòric iz. 26 acid etching mordançage par acide corrosión por ácido corrosió per àcid iz. 27 acidogenic acidogène acidógeno acidogen iz. 28 acidogenic acidogénique acidógeno acidogen izond. 29 acidogenic theory théorie acidogénique teoría acidogénica teoria acidogènica iz. 30 acidosic acidosique acidósico acidòtic izond. 31 thickness gauge gange d'epaisseurs medidor de espesores mesurador de gruixos iz.
    [Show full text]
  • International Standard Iso 16202-2:2019(E)
    INTERNATIONAL ISO STANDARD 16202-2 First edition 2019-05 Dentistry — Nomenclature of oral anomalies — Part 2: Developmental anomalies of teeth Médecine bucco-dentaire — Nomenclature des anomalies bucco- iTeh STdentairesANDA —RD PREVIEW (stPartieand 2:a Anomaliesrds.ite duh développement.ai) dentaire ISO 16202-2:2019 https://standards.iteh.ai/catalog/standards/sist/e88e21a5-5f2f-4306-a5f8- 9710a7bf4b7a/iso-16202-2-2019 Reference number ISO 16202-2:2019(E) © ISO 2019 ISO 16202-2:2019(E) iTeh STANDARD PREVIEW (standards.iteh.ai) ISO 16202-2:2019 https://standards.iteh.ai/catalog/standards/sist/e88e21a5-5f2f-4306-a5f8- 9710a7bf4b7a/iso-16202-2-2019 COPYRIGHT PROTECTED DOCUMENT © ISO 2019 All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address belowCP 401or ISO’s • Ch. member de Blandonnet body in 8 the country of the requester. ISO copyright office Phone: +41 22 749 01 11 CH-1214 Vernier, Geneva Fax:Website: +41 22www.iso.org 749 09 47 PublishedEmail: [email protected] Switzerland ii © ISO 2019 – All rights reserved ISO 16202-2:2019(E) Contents Page Foreword ........................................................................................................................................................................................................................................iv
    [Show full text]
  • Langerhans Cells in Odontogenic Epithelia of Odontogenic fibromas
    Journal of the Formosan Medical Association (2013) 112, 756e760 Available online at www.sciencedirect.com ScienceDirect journal homepage: www.jfma-online.com ORIGINAL ARTICLE Langerhans cells in odontogenic epithelia of odontogenic fibromas Yang-Che Wu a,b, Yi-Ping Wang a,b, Julia Yu-Fong Chang a,b,c, Hsin-Ming Chen a,b, Andy Sun a,b, Chun-Pin Chiang a,b,d,* a Graduate Institute of Clinical Dentistry, School of Dentistry, National Taiwan University, Taipei, Taiwan b Department of Dentistry, National Taiwan University Hospital, College of Medicine, National Taiwan University, Taipei, Taiwan c Department of Oral and Maxillofacial Surgery, Division of Oral Pathology, School of Dentistry, University of Washington, Seattle, USA d Graduate Institute of Oral Biology, School of Dentistry, National Taiwan University, Taipei, Taiwan Received 5 September 2013; received in revised form 29 October 2013; accepted 5 November 2013 KEYWORDS Background/Purpose: Langerhans cell (LC) is an antigen-presenting cell that is very important CD1a; for T-cell-mediated immune reactions. Our previous studies have shown the presence of LCs in immunohisto- some odontogenic tumors and cysts. In this study, we further examined the presence of LCs in chemistry; odontogenic epithelia of 16 odontogenic fibromas (OFs). Langerhans cell; Methods: Anti-CD1a and anti-S-100 immunostains were used to detect the presence of LCs in odontogenic nests or strands of odontogenic epithelia of 16 OFs. epithelium; Results: These 16 OFs included 10 peripheral OFs excised from seven male and three female odontogenic fibroma; patients (mean age, 38 years) and six central OFs (including one recurrent OF) removed from S-100 protein five male patients (mean age, 28 years).
    [Show full text]
  • Concomitant Cemento-Osseous Dysplasia and Aneurysmal Bone Cyst of the Mandible: a Rare Case Report with Literature Review Han-Gyeol Yeom1 and Jung-Hoon Yoon2*
    Yeom and Yoon BMC Oral Health (2020) 20:276 https://doi.org/10.1186/s12903-020-01264-7 CASE REPORT Open Access Concomitant cemento-osseous dysplasia and aneurysmal bone cyst of the mandible: a rare case report with literature review Han-Gyeol Yeom1 and Jung-Hoon Yoon2* Abstract Background: Concomitant cemento-osseous dysplasia (COD) and aneurysmal bone cyst (ABC) are rare in the head and neck region. In our search of the English language literature, we found only one case report describing the simultaneous occurrence of COD and ABC in the head and neck region. Here, we report a case of COD associated with ABC. Further, we performed a systematic search of the literature to identify studies on patients with COD associated with nonepithelial lined cysts of the jaws. Case presentation: The patient was a 32-year-old woman who was referred from a private dental clinic because of a cystic lesion below the mandibular right first molar. She had no pain or significant systemic disease. After performing panoramic radiography and cone-beam computed tomography, the imaging diagnosis was COD with a cystic lesion, such as ABC or solitary bone cyst. Excisional biopsy was performed, which revealed concomitant COD and ABC. Conclusion: This case of ABC associated with COD provides insight for the diagnostic process of radiographically mixed lesions with cystic changes. Keywords: Aneurysmal bone cyst, Fibro-osseous lesions, Cemento-osseous dysplasia Background the early osteolytic stage consists of fibrotic tissue rich in Cemento-osseous dysplasia (COD) is a fibro-osseous le- cells and vessels, with a little cementum-like deposits [3, sion occurring in the tooth-bearing area of the jaws [1–3].
    [Show full text]