Another choice for solving mucogingival problems 15 the use of a modified combination of three known techniques: the split thickness flap (apically replaced), vestibular extension and intemal linear periosteal fenestration.

• 摘要本改良法乃是综合齿龈半厚瓣根尖移位、口腔前庭加宽和骨膜线状开窗等已知的三种的方法于一次齿龈粘膜手术之同时进行的术式。