Radiographic Investigation of Root Canal Morphology of Permanent Mandibular Molars in Makkah Population (Saudi Arabia) Using Cone-Beam Computed Tomography

Author:

Kenawi Laila Mohamed Mohamed12ORCID,Althobaiti Raghad Fahad3ORCID,Filimban Dina Mohammad4ORCID,Alotaiby Sarra Dakheel Allah3ORCID,Alharbi Majedh Awad5ORCID,Kassar Wed Mohammed6ORCID

Affiliation:

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

2. Department of Conservative and Restorative Dentistry, Faculty of Dentistry, Umm Al Qura University, Makkah, Saudi Arabia

3. South of Al-Madinah Primary Health Care Center, Besha 67713, Saudi Arabia

4. Hubona General Hospital, Hubona 6632, Saudi Arabia

5. Al Safwa Dental Clinic, Makkah 24414, Saudi Arabia

6. Bani Farwa Primary Health Care Center, Al-Baha, Saudi Arabia

Abstract

Objectives. This study aimed to analyze the root canal morphology of first and second permanent mandibular molars among Makkah population by using cone-beam computed tomography (CBCT). Materials and Methods. CBCT images of two hundred eight patients were obtained from the Faculty of Dentistry, Umm Al-Qura University, Makkah, Saudi Arabia. In all images, mandibular first and second molars were evaluated for the number of roots and their morphology, number of root canals, canal configuration in each root according to Vertucci’s classification, and the presence of a C-shaped canal. Results. Most of the mandibular first molars had two roots (96.5%) and three root canals (77.7%). Type IV canal configuration prevailed (75.6%) in the mesial roots, and type I canal configuration prevailed (71.7%) in the distal roots. For the mandibular second molars, the majority had two roots (96.3%) and three root canals (82.7%). Type IV canal configuration prevailed (48%) in the mesial roots and type I (99.1%) in the distal roots. C-shaped canals were detected in 5.7% of the mandibular first molars and 4% of the mandibular second molars. There was no statistical difference between the mandibular first and second molars ( P > 0.05 ) in the shape of the roots and the presence of the C-shaped canals. Conclusion. Most of the mandibular molars in Makkah population presented with two roots and three root canals. The incidence of three-rooted mandibular molars was low, and it was higher in the first molars than second molars. The type IV root canal system prevailed in mesial roots and type I in distal roots.

Publisher

Hindawi Limited

Subject

General Dentistry

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