哥特式弓描记法判断无牙颌患者偏侧咀嚼的初步研究  

Gothic Arch Tracing Using for Judgment on Unilateral Chewing Edentulous Patients: A Preliminary Study

作　　者：师晓蕊[1] 徐军[2] 史作慧[3] 

机构地区：[1]北京大学口腔医学院.口腔医院第一门诊部,北京100034 [2]北京大学口腔医学院.口腔医院修复科 [3]天津市口腔医院修复一科

出　　处：《口腔医学研究》2012年第10期1000-1003,1007,共5页Journal of Oral Science Research

基　　金："十一五"国家科技支撑计划(编号:2007BAI18B05)

摘　　要：目的:探讨无牙颌患者偏侧咀嚼的临床判定方法,为今后进一步研究患者的义齿修复提供参考。方法:对30例无牙颌患者进行哥特式弓描记及叩齿点的测量,使用三维精密平移台测量哥特式弓描记图像顶点、边缘运动各终点及叩齿点坐标,建立坐标系,计算肌力闭合道终点(MCP)相对于正中关系位(CRP)水平方向上的偏移量d、不对称指数AI(角度)、AI(幅度)以及AI(偏离),所得数据利用SPSS13.0进行统计分析。结果:30例无牙颌患者中2例(6.67%)MCP与CRP为同一位置,8例(26.67%)MCP与CRP在水平方向上协调,20例(66.67%)MCP与CRP在水平方向上存在不协调,最小偏离量为0.340mm,最大偏离量可达到2.640mm。20例MCP与CRP不协调的无牙颌患者中,14例患者的d值方向至少与AI(角度)、AI(幅度)、AI(偏离)中的1个指标方向相一致。结论:哥特式弓描记法作为判断无牙颌患者有无偏侧咀嚼的方法,有一定可信度,但其具体判定指标还需进一步研究,必要时应结合患者病史、心理状态等因素综合分析。Objective： To discuss the judgment methods of unilateral chewing among edentulous patients and provide reference for further research on denture restoration for these unilateral chewing patients.Methods： 30 edentulous patients were included and their Gothic arch tracing and tapping point results were analyzed.d value（the horizontal deviation between MCP and CRP）,AI（angle/range/deviation） were calculated and analyzed using SPSS 13.0.Results： Among 30 edentulous patients,2（6.67%） patients＇ MCP was the same as CRP,8（26.67%）patients＇ MCP was coordinated with CRP in the horizontal direction,20（66.67%）patients＇ MCP was uncoordinated with CRP in the horizontal direction.Within these 20 patients,the minimum d value was 0.340mm,maximum value was 2.640mm,the direction of d value was the same as the direction of at least one of the three AI values in 14 unilateral chewing edentulous patients.Conclusion： Gothic arch tracing,used as a judgment method of unilateral chewing among edentulous patients,has certain credibility;but further research is required for its specific judgment criteria.Medical history,mental status of the patient should be combined with Gothic arch tracing when necessary.

关 键 词：偏侧咀嚼 总义齿 哥特式弓描记 

分 类 号：R783.6[医药卫生—口腔医学]