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Unusual root morphology in second mandibular molar with a radix entomolaris, and comparison between cone-beam computed tomography and digital periapical radiography: a case report

INTRODUCTION: Radix entomolaris presents with an unusual morphology and is a rare occurrence. It is mainly observed in mandibular first molars. The incidence varies in different populations but it is far from common. This is especially true for mandibular second molars which possess the lowest preva...

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Autores principales: López-Rosales, Elisardo, Castelo-Baz, Pablo, De Moor, Roland, Ruíz-Piñón, Manuel, Martín-Biedma, Benjamín, Varela-Patiño, Purificación
Formato: Online Artículo Texto
Lenguaje:English
Publicado: BioMed Central 2015
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4578332/
https://www.ncbi.nlm.nih.gov/pubmed/26391768
http://dx.doi.org/10.1186/s13256-015-0681-x
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author López-Rosales, Elisardo
Castelo-Baz, Pablo
De Moor, Roland
Ruíz-Piñón, Manuel
Martín-Biedma, Benjamín
Varela-Patiño, Purificación
author_facet López-Rosales, Elisardo
Castelo-Baz, Pablo
De Moor, Roland
Ruíz-Piñón, Manuel
Martín-Biedma, Benjamín
Varela-Patiño, Purificación
author_sort López-Rosales, Elisardo
collection PubMed
description INTRODUCTION: Radix entomolaris presents with an unusual morphology and is a rare occurrence. It is mainly observed in mandibular first molars. The incidence varies in different populations but it is far from common. This is especially true for mandibular second molars which possess the lowest prevalence. Some case reports have shown the presence of this finding in mandibular second molars; however, cases of patients of a white background have not been reported. CASE PRESENTATION: The diagnosis and treatment of an infected radix entomolaris in a mandibular second molar in a 45-year-old white man is presented. The diagnosis was made with standard endodontic techniques. Conventional radiographic imaging was augmented with cone-beam computed tomography scans and three-dimensional images which were constructed with dedicated software. The endodontic treatment was done using accepted endodontic procedures. Clinical and radiographic evidence of healing was seen after a 14-month follow-up. CONCLUSIONS: The implications of complex and unpredictable root anatomy are discussed in this report. The clinician should consider the possibility of encountering a mandibular second molar with a radix entomolaris. Cone-beam computed tomography is a useful tool in the diagnosis and improvement of root canal therapy. ELECTRONIC SUPPLEMENTARY MATERIAL: The online version of this article (doi:10.1186/s13256-015-0681-x) contains supplementary material, which is available to authorized users.
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spelling pubmed-45783322015-09-23 Unusual root morphology in second mandibular molar with a radix entomolaris, and comparison between cone-beam computed tomography and digital periapical radiography: a case report López-Rosales, Elisardo Castelo-Baz, Pablo De Moor, Roland Ruíz-Piñón, Manuel Martín-Biedma, Benjamín Varela-Patiño, Purificación J Med Case Rep Case Report INTRODUCTION: Radix entomolaris presents with an unusual morphology and is a rare occurrence. It is mainly observed in mandibular first molars. The incidence varies in different populations but it is far from common. This is especially true for mandibular second molars which possess the lowest prevalence. Some case reports have shown the presence of this finding in mandibular second molars; however, cases of patients of a white background have not been reported. CASE PRESENTATION: The diagnosis and treatment of an infected radix entomolaris in a mandibular second molar in a 45-year-old white man is presented. The diagnosis was made with standard endodontic techniques. Conventional radiographic imaging was augmented with cone-beam computed tomography scans and three-dimensional images which were constructed with dedicated software. The endodontic treatment was done using accepted endodontic procedures. Clinical and radiographic evidence of healing was seen after a 14-month follow-up. CONCLUSIONS: The implications of complex and unpredictable root anatomy are discussed in this report. The clinician should consider the possibility of encountering a mandibular second molar with a radix entomolaris. Cone-beam computed tomography is a useful tool in the diagnosis and improvement of root canal therapy. ELECTRONIC SUPPLEMENTARY MATERIAL: The online version of this article (doi:10.1186/s13256-015-0681-x) contains supplementary material, which is available to authorized users. BioMed Central 2015-09-22 /pmc/articles/PMC4578332/ /pubmed/26391768 http://dx.doi.org/10.1186/s13256-015-0681-x Text en © López-Rosales et al. 2015 Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.
spellingShingle Case Report
López-Rosales, Elisardo
Castelo-Baz, Pablo
De Moor, Roland
Ruíz-Piñón, Manuel
Martín-Biedma, Benjamín
Varela-Patiño, Purificación
Unusual root morphology in second mandibular molar with a radix entomolaris, and comparison between cone-beam computed tomography and digital periapical radiography: a case report
title Unusual root morphology in second mandibular molar with a radix entomolaris, and comparison between cone-beam computed tomography and digital periapical radiography: a case report
title_full Unusual root morphology in second mandibular molar with a radix entomolaris, and comparison between cone-beam computed tomography and digital periapical radiography: a case report
title_fullStr Unusual root morphology in second mandibular molar with a radix entomolaris, and comparison between cone-beam computed tomography and digital periapical radiography: a case report
title_full_unstemmed Unusual root morphology in second mandibular molar with a radix entomolaris, and comparison between cone-beam computed tomography and digital periapical radiography: a case report
title_short Unusual root morphology in second mandibular molar with a radix entomolaris, and comparison between cone-beam computed tomography and digital periapical radiography: a case report
title_sort unusual root morphology in second mandibular molar with a radix entomolaris, and comparison between cone-beam computed tomography and digital periapical radiography: a case report
topic Case Report
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4578332/
https://www.ncbi.nlm.nih.gov/pubmed/26391768
http://dx.doi.org/10.1186/s13256-015-0681-x
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