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目的:分析乳牙错颌患者的语音功能,研究牙齿结构畸形对语音功能的影响。方法:以60例牙齿错颌患儿为研究对象,在牙齿错颌矫治前对其进行语音测试,并将测试结果与患儿语音状况进行相关分析。结果:OJ,TD-PW与发音错误有关(r=-0.526,r=0.517,P<0.05),复合变量OBJ与发音错误有高度统计学相关性(r=-0.633,P<0.01)。安氏一类错颌患儿存在唇齿音、舌尖音、舌尖前音的语音异常,安氏二、三类错颌患儿存在双唇音、唇齿音、舌尖音、舌尖前音的语音异常,唇腭裂患儿存在全部的语音异常。结论:错颌患者的语音功能与舌体位置及前牙覆颌/覆盖有密切关系。
OBJECTIVE: To analyze the speech function of patients with malocclusion and study the effect of dental structure deformity on speech function. Methods: Totally 60 cases of children with malocclusion of mandibular teeth were selected as the test subjects, and their voice tests were performed before the correction of the cranio-maxillary malocclusion. The correlation between the test results and the voice status of the children was analyzed. Results: OJ and TD-PW were related to pronunciation errors (r = -0.526, r = 0.517, P <0.05). The composite variable OBJ was highly correlated with pronunciation errors (r = -0.633, P <0.01). There are lip anomalies, tongue apex and tongue anterior pronoun abnormalities in children with Angle’s malocclusion. There are lip anomalies, Cleft palate children have all the voice abnormalities. Conclusion: The speech function of the patients with wrong jaw is closely related to the position of the tongue and the overstuffing / covering of anterior teeth.