cleft palates

Cleft lips and cleft palates are very rare in the United Stated but can occur when the mouth does not fully form, causing a "split lip" or a hole in the roof of the mouth.

分裂的嘴唇和“唇腭裂”是非常罕见的在美国地区可能发生时，嘴，但不能完全形式，导致“断裂嘴唇”或一个洞，屋顶的嘴。

Since cleft alveolar bone grafting is more difficult, and especially in the operation, nasal floors, oral vestibules and mucous membrane and periosteum valves in palates should be completely closed, the pivotal points are sufficient loosing of periosteum valves and non-strain suture.

牙槽峭裂植骨手术难度较大，尤其要彻底封闭鼻底、口腔前庭和胯部的粘骨膜瓣，因此在术中充分松解粘骨膜瓣，无张力缝合伤口是手术成功的关键。

With its support, more than 400 children from poverty-stricken families who suffer from cleft palates are expected to receive free operations this year.

根据此项计划，今年将会有400多名患唇腭裂的贫困儿童得到免费手术治疗。

they saw children with cleft lips and cleft palates , and they used surgery to fix those children's faces.

他们看到唇裂与颚裂的孩子，便做手术修复那些孩子的脸。

many of these have cleft palates and parents do not even know that such a defect can be corrected surgically.

当中许多是有唇裂缺陷，而他们的父母却不知是可以通过手术矫正而正常成长的。