腭裂手术后外形虽可矫正,但开放性鼻音常无改善,翘矫正发声无效者,可借咽成形术使发声功能恢复正常。作者靛明产生开放性鼻音的原因是愕帆提肌和咽愕肌的协同收精作用受限,鼻咽脸不能紧阴的椽故。 Although the appearance of cleft palate surgery can be corrected, but no improvement in open nasal often, Alice correction is invalid, can pharyngeal angioplasty to sound function returned to normal. The author states that the reason for the development of nasal openness is that the synergistic effects of stunned strabismus and stunned muscle are limited and the nasopharyngeal face can not be tightly rained.