Objective \ to analyze the spectrum of vowels in the sequence therapy of patient with cleftpalate in order to provide an objective basis for speech evaluation and correction.
目的分析腭裂病人序列治疗中元音的频谱特点，为腭裂病人的语音评价及语音矫治提供理论及临床上的指导。
2
Objective To develop a new method with using surgical procedures for multiple correctionof nasal deformity with cleft lip and palate.
目的通过外科手术和自体骨移植综合矫治唇腭裂术后遗留的鼻畸形。
3
Objective: to investigate the stability of internal midface distraction in correctionof severe maxillary hypoplasia secondary to cleft lip and palate.