%0 Journal Article %T Trauma-Induced Unilateral Buccal Nonocclusion %A Amin Rahpeyma %A Saeedeh Khajehahmadi %J Archive of "Annals of Maxillofacial Surgery". %D 2019 %R 10.4103/ams.ams_16_18 %X Buccal nonocclusion is a difficult situation for orthognathic surgeons. This is the severest form of crossbite with congenital or traumatic origin. Unilateral cases are more difficult and need more attention. Posttrauma-acquired buccal nonocclusion is easier for management than congenital cases that need orthodontic preparation and more complicated orthognathic surgeries. Two cases of trauma-induced unilateral buccal nonocclusion are presented with different etiologies. Preoperative model surgery and posterior segmental surgery are keys to correct trauma-induced buccal nonocclusion %K Buccal nonocclusion %K oroantral fistula %K orthognathic surgery %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6585214/