Cone-beam computed tomography investigation of the anatomy of permanent mandibular premolars in a cohort of Caucasians

Stefano Corbella; Martino Baruffaldi; Isabella Perondi; Silvio Taschieri

doi:10.1111/jicd.12373

Cone-beam computed tomography investigation of the anatomy of permanent mandibular premolars in a cohort of Caucasians

Stefano Corbella, Martino Baruffaldi, Isabella Perondi, Silvio Taschieri

IRCCS Istituto Ortopedico Galeazzi

Research output: Contribution to journal › Article › peer-review

Abstract

AIM: The aim of the present study was to evaluate the number of roots and the anatomy of root canal systems of permanent mandibular premolars using images derived from cone-beam computed tomography (CBCT) scans.

METHODS: Mandibular CBCT scans of a cohort of Caucasians (Italians) were evaluated using a dedicated software. The number of roots and the anatomy of root canal systems (following the classification by Vertucci) were recorded, and the prevalence of each type was calculated.

RESULTS: In total, 112 mandibular scans were evaluated accounting for 97 first premolars and 88 second premolars; 94.2% of first premolars and 96.6% of second premolars had one single root. The most common root canal system configuration was type I for both first premolars (79.2%) and second premolars (95.5%). Moreover, a large variability was observed.

CONCLUSIONS: Based on the results, mandibular premolars show a significant heterogeneity in root canal system anatomy that could complicate non-surgical endodontic treatment.

Original language	English
Article number	e12373
Journal	Journal of investigative and clinical dentistry
Volume	10
Issue number	1
Early online date	Nov 26 2018
DOIs	https://doi.org/10.1111/jicd.12373
Publication status	Published - 2019

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title = "Cone-beam computed tomography investigation of the anatomy of permanent mandibular premolars in a cohort of Caucasians",

abstract = "AIM: The aim of the present study was to evaluate the number of roots and the anatomy of root canal systems of permanent mandibular premolars using images derived from cone-beam computed tomography (CBCT) scans.METHODS: Mandibular CBCT scans of a cohort of Caucasians (Italians) were evaluated using a dedicated software. The number of roots and the anatomy of root canal systems (following the classification by Vertucci) were recorded, and the prevalence of each type was calculated.RESULTS: In total, 112 mandibular scans were evaluated accounting for 97 first premolars and 88 second premolars; 94.2% of first premolars and 96.6% of second premolars had one single root. The most common root canal system configuration was type I for both first premolars (79.2%) and second premolars (95.5%). Moreover, a large variability was observed.CONCLUSIONS: Based on the results, mandibular premolars show a significant heterogeneity in root canal system anatomy that could complicate non-surgical endodontic treatment.",

author = "Stefano Corbella and Martino Baruffaldi and Isabella Perondi and Silvio Taschieri",

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AU - Perondi, Isabella

AU - Taschieri, Silvio

PY - 2019

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AB - AIM: The aim of the present study was to evaluate the number of roots and the anatomy of root canal systems of permanent mandibular premolars using images derived from cone-beam computed tomography (CBCT) scans.METHODS: Mandibular CBCT scans of a cohort of Caucasians (Italians) were evaluated using a dedicated software. The number of roots and the anatomy of root canal systems (following the classification by Vertucci) were recorded, and the prevalence of each type was calculated.RESULTS: In total, 112 mandibular scans were evaluated accounting for 97 first premolars and 88 second premolars; 94.2% of first premolars and 96.6% of second premolars had one single root. The most common root canal system configuration was type I for both first premolars (79.2%) and second premolars (95.5%). Moreover, a large variability was observed.CONCLUSIONS: Based on the results, mandibular premolars show a significant heterogeneity in root canal system anatomy that could complicate non-surgical endodontic treatment.

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