Root Canal System and Morphology of Mandibular Second Molar Using Cone Beam Computed Tomography
Volume 7 , Issue 2 , December 2020 , Pages 99-104
Authors
1 Department of Dental Basic Sciences, College of Dentistry, Sulaimani University, Sulaimani, Iraq.
10.17656/sdj.10121
Keywords
Abstract
Objective: As human 2nd molar teeth demonstrate considerable anatomic complexities and abnormalities in the number of roots and root canals, this study aimed to determine and investigate the root canal system of the mandibular 2nd molar teeth of a sample using cone-beam computed tomography. Variation can be found among different ethnic backgrounds. However, cone-beam computed tomography (CBCT) images eliminate the superimposition of anatomic structures.
Methods: A total of 350 CBCTs were examined in this study. The analysis was conducted using the GALILEOS Viewer computer software program equipped with a disk containing the CBCT data. The Vertucci classification was used to categorize the data and the chi-square test to compare age groups, gender, and mouth sides.
Results: Twenty-one two-handed CBCTs met the study criteria. Mandibular 2nd molar teeth were examined, and type 2 canal configuration was the most prevalent in the mesial root (57.1%), whereas type 1 canal configuration was the most prevalent in the distal canal (96.5%). Gender had no significant effect on the root canals' configuration except for the distal root of the right side. In contrast, age had a significant effect on root canal type, except for the right mesial root. There was a strong correlation between root canal types on the right and left sides.
Conclusions: Type 1 and 2 root canal types were most prevalent in the distal and mesial root canal. Age was found to affect root canal type, and a correlation between right and left side root canal types was detected.
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