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ORIGINAL ARTICLE
Year : 2021  |  Volume : 11  |  Issue : 3  |  Page : 315-320

Root and root canal morphology of permanent mandibular incisors in a Kuwaiti subpopulation: A cone-beam computed tomography study


1 Endodontic Unit, Farwaniya Specialized Dental Center, Dental Administration, Ministry of Health, Kuwait
2 Endodontic Unit, Farwaniya Specialized Dental Center, Dental Administration, Ministry of Health, Kuwait and Restorative Dentistry Department, College of Dentistry, Riyadh Elm University, Riyadh, Kingdom of Saudi Arabia
3 Dentistry Department, Al-Wakra Hospital, Hamad Medical Corporation, Al-Wakra, Qatar
4 Department of Oral Medicine and Diagnostic Sciences, College of Dentistry, King Saud University, Riyadh, Kingdom of Saudi Arabia
5 Director of Quality Assurance and Accreditation Center, Riyadh Elm University, Riyadh, Kingdom of Saudi Arabia

Correspondence Address:
Dr. Mohammad Ahmad Alenezi
Endodontic Unit, Farwaniya Specialty Dental Center, Dental Administration, Ministry of Health, Kuwait. Postal Box 81004, Farwaniya
Kuwait
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/sej.sej_3_21

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Introduction: Sound knowledge of the external and internal anatomy of different teeth is an important prerequisite for successful endodontic treatment. The purpose of this in vivo study was to evaluate the root and root canal morphology of permanent mandibular incisors among a Kuwaiti subpopulation using cone-beam computed tomography (CBCT). Materials and Methods: A total of 600 Kuwaiti patients' CBCT images were screened and evaluated. A total of 1200 mandibular central incisors and 1200 lateral mandibular incisors were studied. The root canal morphology was recorded using Vertucci's classification and the association between the total number of root canals and patient's gender, tooth type (central vs. lateral incisor), and tooth location (right vs. left) were analyzed using Pearson's Chi-square test. Results: The prevalence of two canals in mandibular central incisors and lateral incisors was 24% and 27%, respectively. In both incisors, Type I root canal configuration was the most common (74.5%) followed by Types III and II. The total number of root canals per tooth was significantly higher in the central (P < 0.00001) and lateral (P = 0.00002) incisors in males compared to females, while tooth type and location had no effect on the number of root canals. Conclusion: Within the limitations of this clinical study, Type I root canal configuration was the most common root canal configuration of the mandibular incisors. The prevalence of two canals was significantly higher in males compared to females.


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