Zunaira salehabout 9 hours ago

Removal of mandibular buccal undercut

. (A) Cross-sectional view of the anterior portion of the mandible, which, if corrected by removal of labiocortical bone, would result in knife-edge ridge. (B) Vertical incision is made and a subperiosteal tunnel developed in the depth of the undercut area. (C) Cross-sectional view after filling the defect with graft material. The material is contained within the boundaries of the subperiosteal tunnel.