您要查找的是不是：
- Rigid環(huán)Rigid ring
- α-rigid環(huán)α-rigid ring
- 目的:通過(guò)研究行顱外支架式上頜骨牽引成骨術(shù)(rigid external distraction,RED)的唇腭裂患者治療前后元音[i]和擦音[s]的聲學(xué)特性變化,分析上頜骨牽引成骨術(shù)對患者腭咽閉合功能和舌位的影響。PURPOSE:This study was conducted to evaluate the acoustic characteristic changes of the vowel [i] and fricative [s] after maxillary distraction osteogenesis by using a rigid external distraction device (RED) in cleft lip and palate patients with maxillary dysplasia.
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