Fig. 3From: Intrusion of maxillary molar roots into the maxillary sinus in a sample of the Egyptian population using cone beam computed tomographyCropped coronal cuts for a the mesiobuccal root of the left first maxillary molar, b distobuccal and palatal roots of the left first maxillary molar, c the mesiobuccal root of the left second maxillary molar, d distobuccal and palatal roots of the left second maxillary molar, and e the fused roots of the left third maxillary molarBack to article page