Fig. 1From: Prevalence and location of the secondary mesiobuccal canal in 1,100 maxillary molars using cone beam computed tomographyMaxillary molar with 4 canals: first mesiobuccal canal (MB1), secondary mesiobuccal canal (MB2), distobuccal canal (DB) and palatal canal (P). a Maxillary molar with joining mesiobuccal canals. b Maxillary molar with two separate mesiobuccal canalsBack to article page