Regional mucoperiosteal flap with labiobuccal groove mucoperiost-eal flap can cover the bone grafting closely,it gives the alveolar bone a normalcontour and need not second vestibuloplasty.

用局部膜瓣、局部膜瓣加唇颊膜?、局部膜瓣加舌侧边?为先天槽突裂植的覆盖组织。