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.

局部粘骨膜瓣、局部粘骨膜瓣加唇颊沟粘骨膜?、局部粘骨膜瓣加舌侧边?为先天性槽突裂植骨的覆盖组织。