C-shaped root canals of mandibular second molars in a Korean population: a CBCT analysis

C-shaped root canals of mandibular second molars in a Korean population: a CBCT analysis

The purpose of this study was to investigate the C-shaped root canal anatomy of mandibular second molars in a Korean population. A total of 542 teeth were evaluated using cone-beam computed tomography (CBCT). The canal shapes were classified according to a modified version of Melton's method at...

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Veröffentlicht in:Restorative dentistry & endodontics 2018-11, Vol.43 (4), p.e42-e42
Hauptverfasser: Kim, Hee-Sun, Jung, Daun, Lee, Ho, Han, Yoon-Sic, Oh, Sohee, Sim, Hye-Young
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container_title Restorative dentistry & endodontics
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creator Kim, Hee-Sun
Jung, Daun
Lee, Ho
Han, Yoon-Sic
Oh, Sohee
Sim, Hye-Young
description The purpose of this study was to investigate the C-shaped root canal anatomy of mandibular second molars in a Korean population. A total of 542 teeth were evaluated using cone-beam computed tomography (CBCT). The canal shapes were classified according to a modified version of Melton's method at the level where the pulp chamber floor became discernible. Of the 542 mandibular second molars, 215 (39.8%) had C-shaped canals, 330 (53%) had 3 canals, 17 (3.3%) had 2 canals, 12 (2.2%) had 4 canals, and 8 (1.7%) had 1 canal. The prevalence of C-shaped canals was 47.8% in females and 28.4% in males. Seventy-seven percent of the C-shaped canals showed a bilateral appearance. The prevalence of C-shaped canals showed no difference according to age or tooth position. Most teeth with a C-shaped canal system presented Melton's type II (45.6%) and type III (32.1%) configurations. There was a high prevalence of C-shaped canals in the mandibular second molars of the Korean population studied. CBCT is expected to be useful for endodontic diagnosis and treatment planning of mandibular second molars.
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title C-shaped root canals of mandibular second molars in a Korean population: a CBCT analysis
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