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Submitted: 15 Jun 2020
Accepted: 23 Jun 2020
ePublished: 30 Jun 2020
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Avicenna J Dent Res. 2020;12(2): 58-62.
doi: 10.34172/ajdr.2020.12
  Abstract View: 1276
  PDF Download: 701

Original Article

Prevalence of C-Shaped Canals in Anterior and Posterior Teeth of Iranian Population Using Cone Beam Computed Tomography

Farzaneh Ostevar Rad 1 ORCID logo, Elnaz Mousavi 2 ORCID logo, Naghmeh Musapoor 3, Dina Maleki 4* ORCID logo, Nikoo Khatibi 5 ORCID logo

1 Assistant Professor, Maxillofacial Radiology Department, School of Dentistry, Guilan University of Medical Sciences, Rasht, Iran.
2 Assistant Professor, Department of Endodontics, School of Dentistry, Guilan University of Medical Sciences, Rasht, Iran.
3 Postgraduate Student, Department of Prosthodontics, School of Dentistry, Guilan University of Medical Sciences, Rasht, Iran.
4 Student Research Committee, School of Dentistry, Guilan University of Medical Sciences, Rasht, Iran.
5 Student Research Committee, School of Dentistry, Guilan University of Medical Sciences, Rasht, Iran.
*Corresponding Author: Correspondence to Dina Maleki, Tel: +98-912-8998663,0098- 13-33364083 Fax: +98-21-88000931 Email: , Email: dinamaleki74@gmail.com

Abstract

Background: Lack of knowledge of root anatomy is the second most common reason for failed endodontic therapy. Therefore, acquiring knowledge about it leads to a more effective treatment. C-shaped canal is an anatomical variation that causes clinical challenges. The objective of this study is to determine the occurrence of the C-shaped roots in permanent anterior and posterior teeth of the Iranian population using CBCT (cone beam computed tomography) scans.

Methods: This was a descriptive cross-sectional study. In this study, 1408 teeth were assessed. Cranex 3D Mid was used to prepare CBCT images. Each tooth was examined in axial sections, and five different levels were identified as coronal, medium, apical, 1/3, and 2/3. The canal shapes were classified into 5 categories based on modified Melton’s method. Data were analysed using the chi-square test at a significance level of 5%in SPSS version 24.0.

Results: In total, of 1408 teeth which were evaluated, 7.81% (110) were confirmed to have C-shaped canals. The occurrence of the C-shaped canal was significantly higher in molars (P < 0.001). The occurrence of the C-shaped canal was significantly higher in mandibular teeth (10.04%) compared to maxillary teeth (5.81%) (P < 0.001). The most common C-shaped canal category was C1 (57.27%). The relationship of gender and age with the C-shaped canal occurrence was not statistically significant (P = 0.585, P = 0.562, respectively).

Conclusions: CBCT is a useful tool to evaluate C-shaped root canal morphology. The high occurrence of the C-shaped canal in the Iranian population requires clinical awareness.


Citation: Ostevar Rad F, Mousavi E, Musapoor N, Maleki D, Khatibi N. Prevalence of c-shaped canals in anterior and posterior teeth of Iranian population using cone beam computed tomography. Avicenna J Dent Res. 2020;12(2):58-62. doi: 10.34172/ajdr.2020.12.
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