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.

用局部骨、局部骨骨?、局部骨舌侧边?为先天性齿槽突裂植骨的覆盖组织。