Fig. 6From: Combining virtual model and cone beam computed tomography to assess periodontal changes after anterior tooth movementMeasurement of tooth rotation with (a) the angle between the median palatine suture and the extended line of the incisal edge of the tooth in the maxilla, and (b) the angle between the line connecting the mental foramen and the extended line of the incisal edge of the tooth in the mandibleBack to article page