Fig. 4

Method for measuring the change of hard and soft tissue dentoalveolar process thickness on the labial and the lingual side and its total labio-lingual dimension at 3 different levels. Definition of areas for matching (red) after isolating each single tooth together with its periodontal process (a, b). The incisor edge should not be used for the matching process because it is frequently abraded, particularly in Class III patients. Matched central incisor at T0 and T1 (c, d). Customized software-assisted sagittal cut of the incisor and its surrounding hard and soft tissue dentoalveolar process (e)