Fig. 6From: Early diagnosed impacted maxillary canines and the morphology of the maxilla: a three-dimensional studyRepresentation of the space measurements. Sum of the anterior segments (SAS) = b + c; available arch space (AAS) = a + b + c + d; right/affected (R-Af) available space = a + b; left/unaffected (L-Un) available space = c + dBack to article page