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.

用部粘骨膜瓣、部粘骨膜瓣加颊沟粘骨膜?、部粘骨膜瓣加?为先天性齿槽突裂植骨的覆盖组织。