Prevalence of Middle Mesial Canals and Isthmi in mandibular molars using Cone Beam Computed Tomography
Attique ur Rehman, Saqib Naeem Siddique, Saba Rehman, Mehwish Munawar, Haroon Asghar Ginai.
Abstract
Objective: The purpose of this study was to report the prevalence and configuration of MMC and isthmi in mandibular molars in Pakistani population using CBCT.
Material and Methods: Sixty CBCTs of patients were selected randomly from database of University College of Dentistry, Lahore. First and second permanent mandibular molars without evidence of previous endodontic treatment, full coverage restoration or root resorption were evaluated for the number of roots, canals and the presence and configuration of MMC and isthmi. The age and gender of patients were also recorded. SPSS version 24.0 was used for statistical analysis using chi-square test. P value < 0.05 was taken as significant.
Results: Out of 189 mandibular molars, MMCs were found in 9 and isthmi in 62 teeth. No statistical association was found between the presence of MMC and age, gender, side or tooth type. Significantly more isthmi were found in second molars, females and younger patients, P value < 0.05.
Conclusion: MMC and isthmi in mesial roots of mandibular molars are not unusual findings in our population and CBCT can be a valuable tool for their detection.
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