对12名全牙列缺失患者,义齿垂直距离改变后,其语音的主观感受变化、客观判断结果及语图结果进行了分析研究。结果表明,正确的垂直距离,有利于语音功能的恢复,并可缩短患者戴义齿后,语音适应的时间。垂直距离过大或过小,语音的清晰度均减小。 In 12 patients with missing all-dentition, the change of the vertical distance of the denture, the change of subjective feelings of the speech, the objective judgment result and the result of the speech chart were analyzed. The results show that the correct vertical distance is conducive to the recovery of speech function, and can shorten the period of speech adaptation after wearing denture. Vertical distance is too large or too small, voice clarity are reduced.