Objective: To observe a new restoration method of expansion technique and to search for a new possible treatment approach to soft tissue defect of cleft palate and nearby tissue defect through the establishment of palatine mucoperiosteal expansion.

• 目的:建立腭粘骨膜扩张模型,探讨腭粘骨膜扩张新技术,为腭裂软组织缺损及邻近软组织缺损寻找一种新的修复方法。