目的：分析中度磨牙症患者软(牙合)垫治疗前后颞下颌关节振动的特征，探讨软(牙合)垫治疗磨牙症的效果。方法：收集20例中度磨牙症患者和20例临床无症状的志愿者分别作为实验组和对照组，采用问卷调查和临床检查相结合的方法对磨牙症患者进行分级，用BioPAK口颌功能诊疗仪记录试验对象颞下颌关节表面振动情况。结果：中度磨牙症患者的关节振动能量和振幅明显高于正常人；正常人关节振动的发生率为75％，中度磨牙症患者关节振动的发生率为1 00％；中度磨牙症患者经3个月软(牙合)垫治疗后关节振动的发生率为80％。结论：中度磨牙症患者软(牙合)垫治疗后关节振动的发生率降低，治疗效果显著。%Objective To analysze the characteristic of temporomandibular joint vibration before and after treating the moderate bruxism patients by soft occlusion.and discuss the effect of soft occlusion. Methods Collect 20 patients of moderate bruxism and 20 volunteers of having no clinical symptom, and put them as experimental group and control group respectively.Carry out classification on bruxism patients by adopting the combined method of questionnaire investigation and clinical examination.Record the condition of temporomandibular joint vibration of the experimental subjects using the BioPAK stomatognathic functional treating instrument. Results The energy and amplitude of temporomandibular joint vibration of the moderate bruxism patients overtop the regular people obviously;the occurrence rate of temporomandibular joint vibration of the regular people is 75%,the occurrence rate of temporomandibular joint vibration of the moderate bruxism patients is 100%,the occurrence rate of temporomandibular joint vibration of the moderate bruxism patients after three months treating by soft occlusion is 80%. Conclusion The occurrence rate of temporomandibular joint vibration is reduced after treating by the soft occlusion. The treatment effect is notable.
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