C-shaped root canals of mandibular second molars in a Korean population: a CBCT analysis
2
조회
0
다운로드
0
인용
0
참고문헌
키워드
초록
Objectives: The purpose of this study was to investigate the C-shaped root canal anatomy of mandibular second molars in a Korean population. Materials and Methods: 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. Results: 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. Conclusions: 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.
Abstract
Objectives: The purpose of this study was to investigate the C-shaped root canal anatomy of mandibular second molars in a Korean population. Materials and Methods: 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. Results: 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. Conclusions: 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.
참고문헌 (30)
- Cooke HG 3rd, "C-shaped canal configurations in mandibular molars", J Am Dent Assoc, 99, pp.836~839 (1979)
- Fan B, "C-shaped canal system in mandibular second molars : part I--anatomical features", J Endod, 30, pp.899~903 (2004)
- Melton DC, "Anatomical and histological features of C-shaped canals in mandibular second molars", J Endod, 17, pp.384~388 (1991)
- Weine FS, "The C-shaped mandibular second molar : incidence and other considerations", J Endod, 24, pp.372~375 (1998)
- Zheng Q, "C-shaped root canal system in mandibular second molars in a Chinese population evaluated by cone-beam computed tomography", Int Endod J, 44, pp.857~862 (2011)
- Zhang R, "Use of cone-beam computed tomography to evaluate root and canal morphology of mandibular molars in Chinese individuals", Int Endod J, 44, pp.990~999 (2011)
- Seo DG, "A biometric study of C-shaped root canal systems in mandibular second molars using cone-beam computed tomography", Int Endod J, 45, pp.807~814 (2012)
- Walid N, "The use of two pluggers for the obturation of an uncommon C-shaped canal", J Endod, 26, pp.422~424 (2000)
- Liewehr FR, "Obturation of a C-shaped canal using an improved method of warm lateral condensation", J Endod, 19, pp.474~477 (1993)
- Ladeira DB, "Prevalence of C-shaped root canal in a Brazilian subpopulation : a cone-beam computed tomography analysis", Braz Oral Res, 28, pp.39~45 (2014)
- Jafarzadeh H, "The C-shaped root canal configuration : a review", J Endod, 33, pp.517~523 (2007)
- Helvacioglu-Yigit D, "Use of cone-beam computed tomography to evaluate C-shaped root canal systems in mandibular second molars in a Turkish subpopulation : a retrospective study", Int Endod J, 46, pp.1032~1038 (2013)
- Fan B, "Negotiation of C-shaped canal systems in mandibular second molars", J Endod, 35, pp.1003~1008 (2009)
- Haddad GY, "Diagnosis, classification, and frequency of C-shaped canals in mandibular second molars in the Lebanese population", J Endod, 25, pp.268~271 (1999)
- Gulabivala K, "Root and canal morphology of Burmese mandibular molars", Int Endod J, 34, pp.359~370 (2001)
- Gulabivala K, "Root and canal morphology of Thai mandibular molars", Int Endod J, 35, pp.56~62 (2002)
- Al-Fouzan KS, "C-shaped root canals in mandibular second molars in a Saudi Arabian population", Int Endod J, 35, pp.499~504 (2002)
- Seo MS, "C-shaped root canals of mandibular second molars in a Korean population : clinical observation and in vitro analysis", Int Endod J, 37, pp.139~144 (2004)
- Cimilli H, "Spiral computed tomographic demonstration of C-shaped canals in mandibular second molars", Dentomaxillofac Radiol, 34, pp.164~167 (2005)
- Jin GC, "Anatomical study of C-shaped canals in mandibular second molars by analysis of computed tomography", J Endod, 32, pp.10~13 (2006)
- Lu TY, "Complicated root canal morphology of mandibular first premolar in a Chinese population using the cross section method", J Endod, 32, pp.932~936 (2006)
- Peiris HR, "Root canal morphology of mandibular permanent molars at different ages", Int Endod J, 41, pp.828~835 (2008)
- Neelakantan P, "Root and canal morphology of mandibular second molars in an Indian population", J Endod, 36, pp.1319~1322 (2010)
- Lorena Karanxha, "Endodontic management of a C-shaped maxillary first molar with three independent buccal root canals by using cone-beam computed tomography", Restorative Dentistry and Endodontics, 37(3), pp.175~179 (2012), 대한치과보존학회[DOI]
- Wang Y, "Incidence of C-shaped root canal systems in mandibular second molars in the native Chinese population by analysis of clinical methods", Int J Oral Sci, 4, pp.161~165 (2012)
- Nie YK, "The occurrence of C-shaped root canal in Malaysian population", Bangladesh J Med Sci, 12, pp.286~290 (2013)
- Plotino G, "Symmetry of root and root canal morphology of maxillary and mandibular molars in a white population : a cone-beam computed tomography study in vivo", J Endod, 39, pp.1545~1548 (2013)
- Chhabra S, "Analysis of C-shaped canal system in mandibular second molars using surgical operating microscope and cone beam computed tomography : a clinical approach", J Conserv Dent, 17, pp.238~243 (2014)
- Amoroso-Silva PA, "Micro-computed tomographic analysis of mandibular second molars with C-shaped root canals", J Endod, 41, pp.890~895 (2015)
- Kim SY, "Mandibular second molar root canal morphology and variants in a Korean subpopulation", Int Endod J, 49, pp.136~144 (2016)