Fig. 7

Premolar width. Distance in millimeters from the middle palatine raphe till proximal alveolar bone crest between the canine and first premolar on each side; measured in the axial cut at bone crest level
Premolar width. Distance in millimeters from the middle palatine raphe till proximal alveolar bone crest between the canine and first premolar on each side; measured in the axial cut at bone crest level