Fig. 3From: Assessment of the relationship between the maxillary sinus and the canine root tip using cone beam computed tomographyThree types of the vertical relationship between the maxillary sinus floor and canine apex on buccolingual CBCT cross-sections: Type I (more than 2 mm distance), II a (less than 2 mm distance), II b (in contact), and III (interlock) relationshipBack to article page