中度磨耗患者颞下颌关节的振动分析(1)
[摘要]目的:比较牙齿中度磨耗患者和个别正常牙合无磨耗者开闭口运动中颞下颌关节(TMJ)的振动参数,探讨中度磨耗对TMJ振动的影响。方法:运用关节振动分析仪记录10例中度磨耗受试者和10例个别正常牙合无磨耗受试者的TMJ振动参数,收集关节振动信号并进行提取处理及统计分析。结果:中度磨耗组右侧TMJ的振动总能量(TI)、大于300Hz(I>300Hz)研究组总能量大于对照组,差异均有统计学意义(P<0.05)。结论:中度磨耗患者TMJ振动能量大于个别正常牙合,中度磨耗患者关节振动多发生在开口中、末期及闭口中、末期。
[关键词]牙齿磨耗;颞下颌关节;振动;中度磨耗
[中图分类号]R783.5 [文献标志码]A [文章编号]1008-6455(2015)21-0067-03
Abstract: Objective To compare the vibration paramenters of temperomandibular joint(TMJ)of subjects with moderate tooth wear and normal dentition during opening and closing mandibular movement ......
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[关键词]牙齿磨耗;颞下颌关节;振动;中度磨耗
[中图分类号]R783.5 [文献标志码]A [文章编号]1008-6455(2015)21-0067-03
Abstract: Objective To compare the vibration paramenters of temperomandibular joint(TMJ)of subjects with moderate tooth wear and normal dentition during opening and closing mandibular movement ......
您现在查看是摘要页,全文长 3630 字符。