Evaluation of Root and Canal Systems of Mandibular First Molars in Taiwanese Individuals Using Cone-beam Computed Tomography

Huang, Chih‐Chia; Chang, Ya‐Chi; Chuang, Min‐Chieh; Lai, Tat-Minc; Lai, Juin Yih; Lee, Bor-Shiunn; Lin, Chang‐Ching

doi:10.1016/s0929-6646(10)60056-3

Cited by 62 publications

(54 citation statements)

References 26 publications

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“…The importance of understanding and achieving an accurate description of both, normal anatomy and anatomical variations in teeth roots and root canal system (RCS), is relevant when dentists are going to execute procedures in zones surrounding roots and/or inside RCS. Then, exposed topics are of major interest to endodontists, considering that the main goal of endodontic treatment is to achieve a mechanical and chemical cleaning of the pulp chamber and RCS [3,5,6,9,10]. Within main causes of endodontic treatment failure, has been described incomplete removing of pulp tissue and microorganisms from pulp chamber and RCS [1,3].…”

Section: Introductionmentioning

confidence: 99%

“…Within main causes of endodontic treatment failure, has been described incomplete removing of pulp tissue and microorganisms from pulp chamber and RCS [1,3]. The causes could be a poor endodontic instrumentation technique or failure in identification of one or more root canals [2,3,5,9,10]. Thus, understanding root anatomy will contribute to improve endodontic treatment outcomes and increase success rates [2].…”

Section: Introductionmentioning

confidence: 99%

“…However, anatomical configuration of roots and RCS of molars is variable [3]. Despite, there is not enough information available about morphological variations of RCS in specific to this tooth [9,10]. A possible variation is the presence of a three-rooted first molar [1,6].…”

Section: Introductionmentioning

confidence: 99%

“…RE has no significant differences in prevalence by sex or by side of occurrence. Actually, in most reports, the incidence is bilateral and symmetrical [6] except in German population [9,10].…”

Section: Introductionmentioning

confidence: 99%

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Clinical, imaging and genetic analysis of double bilateral radix entomolaris

Rodríguez-Niklitschek

Oporto

Garay

et al. 2015

Folia Morphol

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Clinical, imaging and genetic analysis of double bilateral radix entomolaris

Rodríguez-Niklitschek

Oporto

Garay

et al. 2015

Folia Morphol

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“…El objetivo de la endodoncia es prevenir lesiones pulpares y periodontales y tratar las ya instaladas, proporcionando el sustrato dentario para devolver forma y función perdidas, a través de la rehabilitación oral (Fuentes et al). Para esto, es necesario realizar una minuciosa limpieza mecánica y química de la cámara pulpar y del sistema completo de canales radiculares (Al-Qudah & Awawdeh, 2009;Chandra et al, 2011;De Moor et al, 2004;Huang et al, 2010a;Jarad et al, 2011;McDonald & Hovland, 1990) los cuales, ya preparados y desinfectados, deben obturarse completamente con un material de relleno inerte y biocompatible. Luego, el diente debe ser restaurado adecuadamente, para asegurar su sellado coronal e impedir la filtración bacteriana (De Moor et al).…”

Section: Introductionunclassified

Determinación de la Longitud de Trabajo en Endodoncia: Implicancias Clínicas de la Anatomía Radicular y del Sistema de Canales Radiculares

Rodríguez-Niklitschek

Oporto

2014

Int. J. Odontostomat.

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RODRÍGUEZ-NIKLITSCHEK, C. & OPORTO, V. G. H.Determinación de la longitud de trabajo en endodoncia. Implicancias clínicas de la anatomía radicular y del sistema de canales radiculares. Int. J. Odontostomat., 8(2):177-183, 2014. RESUMEN:La endodoncia estudia la morfología y fisiología del sistema de canales de un diente. Su objetivo principal es prevenir lesiones pulpares y periodontales y tratar las ya instaladas. La determinación de la longitud de trabajo es una de las etapas más importantes del tratamiento de endodoncia. Imprecisiones en este proceso pueden favorecer la ocurrencia de accidentes y complicaciones postoperatorias. Esta revisión de la literatura describe la importancia de la anatomía dentaria aplicada a endodoncia y su estudio en cada población, además de presentar las principales técnicas para determinar la longitud de trabajo. La longitud de trabajo limita la preparación y obturación del canal radicular. Este límite debe ser la constricción apical. Diversos métodos de determinación han sido utilizados, donde el uso de localizadores apicales resulta ser el método más confiable. No obstante, es necesario conocer la morfología del sistema de canales en este proceso. Las longitudes radiculares referenciales a nivel mundial fueron publicadas por Ingle & Bakland. No existen estudios que determinen la longitud de trabajo para cada diente en población sudamericana; tampoco los hay que determinen la longitud de trabajo en pacientes con localizadores apicales. Estudiar y conocer la anatomía radicular es un requisito fundamental para un tratamiento de endodoncia exitoso. Es esperable que existan diferencias entre las descripciones anatómicas dentarias clásicas y la anatomía dentaria de poblaciones específicas. Surge la necesidad de determinar parámetros de normalidad en cada población a nivel mundial.PALABRAS CLAVE: endodoncia, raíz dentaria, tratamiento de canales, cavidad dentinaria pulpar, ápice dentario.

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Internal and external morphology of mandibular molars: An original micro‐CT study and meta‐analysis with review of implications for endodontic therapy

et al. 2018

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The aim of this radiological micro-CT study and meta-analysis was to determine the morphological features of the root canal anatomy of the mandibular molars. The radiological study included micro-CT scans of 108 mandibular first, 120 mandibular second, and 146 mandibular third molars. For our meta-analysis, an extensive search was conducted through PubMed, Embase, and Web of Science to identify articles eligible for inclusion. Data extracted included investigative method (cadaveric, intraoperative, or imaging), Vertucci type of canal configuration, presence/number of canals, roots, apical foramina, apical deltas, and intercanal communications. In the mesial roots of mandibular molars, the most frequent Vertucci type of canal configuration was type IV, except for the mandibular third molar where type I was most common. Type I was most common in the distal root. There were usually two canals in the mesial root and one in the distal root. Two was the most common number of roots, and a third root was most prevalent in Asia. One apical foramen was most common in the distal root and two apical foramina in the mesial root. Intercanal communications were most frequent in the mesial root. Knowledge of the complex anatomy of the mandibular molars can make root canal therapy more likely to succeed. We recommend the use of cone-beam computed tomography before and after endodontic treatment to enable the root anatomy to be accurately described and properly diagnosed, and treatment outcome to be assessed. Clin. Anat. 31:797-811, 2018. © 2018 Wiley Periodicals, Inc.

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Evaluation of Root and Canal Systems of Mandibular First Molars in Taiwanese Individuals Using Cone-beam Computed Tomography

Abstract: Our results showed a high overall incidence (32.6%) of three-rooted mandibular first molars in Taiwanese individuals. CBCT could be a valuable tool for identifying an extra distolingual root in mandibular first molars.

Cited by 62 publications

References 26 publications

Clinical, imaging and genetic analysis of double bilateral radix entomolaris

Clinical, imaging and genetic analysis of double bilateral radix entomolaris

Determinación de la Longitud de Trabajo en Endodoncia: Implicancias Clínicas de la Anatomía Radicular y del Sistema de Canales Radiculares

Internal and external morphology of mandibular molars: An original micro‐CT study and meta‐analysis with review of implications for endodontic therapy

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