Fig. 4From: Slim the face or not: 3D change of facial soft and hard tissues after third molars extraction: a pilot studyThe measurement of buccal STV; On the left side from top to bottom are the right buccal models of T0, T1, and T2; Plane 2 is the mid-sagittal plane, and buccal STV is the volume of the buccal patch model projecting to the mid-sagittal planeBack to article page