Fig. 12
From: Dentomaxillofacial imaging with panoramic views and cone beam CT
a A patient with a unilateral cleft lip and palate has an alveolar defect on the left side (arrow). A PTG image taken before secondary alveolar bone grafting (SABG). Note also crowding in region d. 13, which can also be easily evaluated in the CBCT examination. b CBCT for the treatment planning before SABG allowing evaluation of the bone defect with oronasal fistula (arrows)