Comparison between two CBCT systems in detection accuracy of second mesio-buccal root canal(s) in maxillary molars

Document Type : Original articles

Authors

1 Master student in Oral & Maxillofacial Radiology department, Faculty of Dentistry, Ain Shams university

2 Professor of Oral & Maxillofacial Radiology department and Head of Oral Medicine, Periodontology, Diagnosis and Maxiloofacial Radiology, faculty of Dentistry, Ain Shams University

3 Associate professor of Oral and Maxillofacial Radiology, Faculty of Dentistry, Ain Shams University

Abstract

Abstract
Background: Undetected second mesiobuccal canal (MB2) in maxillary molars (MMs) increases the failure rates of endodontic treatment. The aim of this study is to compare between i-CAT classic (Imaging Sciences International, Hatfield, PA, USA) and Veraviewepocs 3D (J–MORITA, Kyoto, Jaban) CBCT systems in detection accuracy of MB2 canals in maxillary molars. Results: From 100 MMs, MB2 was detected in the MB roots of 85 molars (85%). At the orifice level of MB roots, MB2 was detected in about 64 molars (64%). In the middle of the root, MB2 was detected in about 79 molars (79%). At the apex level, MB2 was detected in about 39 molars (39%). The differences between both CBCT systems were small & statistically non-significant. All the kappa coefficient were interpreted as adequate to good agreement. Conclusion: The i-CAT and J-MORITA CBCT systems are reliable tools for MB2 canal detection in MMs when compared to gold standard sectioning technique and there is no significant statistical difference between them. The coding classification is simple, accurate and practical. MB2 is more prevalent in the middle of the root than the orifice level than the apex level. MB2 is more prevalent than MB3 and MB4.

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