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作者借助于肌电图研究咀嚼肌的功能情况,检查正位颌(牙合)关系牙列完整者10例(男4,女6,年龄35～45岁),全口牙缺失者24例(男10,女14,年龄55～70岁)。用匈牙利产四信道肌电图仪《Медикор》检查嚼肌、颞肌和舌骨上肌的肌电图。进行咀嚼试验,左侧和右侧分别咀嚼一块4克重干面包,全口无牙者用无牙颌咀嚼面包。共记录和分析研究340份肌电图,5760个指标。结果表明,牙列完整者咀嚼时,肌电图波
The author used the EMG to study the function of masticatory muscles and examined the integrity of the dentures in 10 cases (male 4, female 6, age 35-45), 24 cases of complete denture missing Male 10, female 14, age 55 to 70 years old). The electromyogram of the chewing muscles, temporal muscles and hyoid muscles was examined with the Hungarian four-channel electromyograph “Медикор”. Chew test, chewing on the left and right, respectively, a 4 grams of dry bread, toothless mouth with no teeth chewing bread. A total of 340 records of EMG and 5760 indicators were recorded and analyzed. The results show that when the complete dentition is chewed, EMG waves