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.

用骨膜、骨膜加颊沟骨膜?、骨膜加舌侧边?为先天性齿槽突裂植骨的覆盖组织。