Detection of MB2 in maxillary first molar and its relation to the MB1 in the Egyptian population: a cone-beam computed tomography study

Document Type : Original Article

Authors

1 Department of Endodontics, Faculty of Dentistry, Cairo University.

2 1- Department of Endodontics, Faculty of Dentistry, Cairo University, Cairo, Egypt 2- Department of Endodontics, School of Dentistry, Newgiza University, Cairo, Egypt

3 1- Department of Oral and Maxillofacial Radiology, Cairo University, Egypt 2- Department of Oral and Maxillofacial Radiology, School of Dentistry, Newgiza University

Abstract

Aim: This study aimed to assess CBCT scans for correlation between the MB root canal configuration (RCC), intercanal distance (ICD), and the root length (RL) of 177 permanent maxillary first molar teeth.
Subjects and methods: The RL; from the sagittal plane; was calculated from cementoenamel junction to root apex. Both ICD and RCC; based on Vertucci’s classification; were measured and assessed from axial section. The ICD was measured when MB2 was first noticed. The correlations between gender and prevalence of MB2 and RCC were assessed.
Results: A second mesiobuccal canal (MB2) was present in 67.2% with mean RL of 13.1 mm and mean ICD of 2.2 mm. The most prevalent RCC was Vertucci type III (40.1%) with average RL 13.4 mm. Type II, type V and type IV were noticed with less prevalence. No statistical correlation was found between gender and MB2 incidence nor gender and RCC.
Conclusion: the incidence of MB2 is high in the Egyptian population with a high prevalence of type III.

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Advanced Dental Journal
Volume 7, Issue 1
January 2025
Pages 28-35

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