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The Frequency of Mesio Buccal Second Canals in Permanent Maxillary First Molar Using Different Methods: A Cross-Sectional Study

Objective: This study aimed to find out the fr equency of the MB2 canal in maxillary first molars, using different diagnostic methods.
Materials & Methods: 106 patients, clinically diagnosed with irreversible pulpitis and exposed pulp, requiring endodontic treatment were selected via random non-probability purposive sampling technique for the study . This cross-sectional study was conducted for 12 weeks in the dentistry department of Ayub Medical College from August 2018 to October 2018. A detailed history was taken and documented in the pro-forma. After administration of Local anaesthesia and rubber dam application, the access cavity was prepared and floor of the pulp chamber visualized. MB2 Canal location was done with a naked eye and under magnification (x2.0 to x6.0) Magnification and confirmed by inserting size 08 K file. The data obtained were analyzed using SPSS version 20. Chi-square test was run to determine the association of the presence of the MB2 canal with other variables. P-value of 0.05 was considered to be significant.