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论文摘要

成人安氏Ⅱ类错正畸人群正中关系位与最大牙尖交错位不调的研究

The centric relation-maximum intercuspation discrepancy in adult Angle’s Class Ⅱ pretreatment patients

作者:邓潇 万哲 何姝姝 Peter Wamalwa 陈嵩 张智轶

Author:DENG Xiao1, WAN Zhe2, HE Shu-shu3, Peter Wamalwa3,4, CHEN Song3, ZHANG Zhi-yi5

收稿日期:2011-02-25          年卷(期)页码:2011,29(01):48-48-52

期刊名称:华西口腔医学杂志

Journal Name:West China Journal of Stomatology

关键字:正中关系位,安氏Ⅱ类错牙合,髁突位置测量仪,

Key words:centric relation,Angle’s Class Ⅱ malocclusion,condylar position indication,

基金项目:

中文摘要

目的横向调查安氏Ⅱ类错牙合畸形正畸人群中正中关系(CR)位与最大牙尖交错(MI)位不一致的比例及严重程度,为制定临床治疗计划提供参考。方法选取符合纳入标准的安氏Ⅱ类错牙合患者80例,以及个别正常牙合人50例。使用双手法配合负荷试验取得所有受检者CR位的咬合记录,使用Panadent牙合架将所有受检者的牙科模型在CR位上牙合架并进行分析。采用髁突位置测量仪(CPI)测量并记录每个受检者CR位与MI位的髁突位置在三维方向上的差异。结果1)安氏Ⅱ类错牙合组有74例患者存在CR-MI不调,阳性率为92.50%;个别正常牙合组仅有5例,阳性率为10.00%,二者差异有统计学意义(P

英文摘要

Objective This study investigates the differences in condylar position between centric relation(CR) and maximum intercuspation(MI) in Angle’s Class Ⅱ orthodontic patients before treatment. Methods 80 cases, who were Angle’s Class Ⅱ pretreatment patients, and 50 cases, who were normal(ideal) occlusion were accepted. Dental casts were mounted on Panadent articulator with CR bite record, taken by bilateral manipulation and load testing. The differences in condylar position between CR and MI in all three spatial planes were measured using the Panadent condylar position indication(CPI). Results 1)The positive rate of CR-MI discrepancy was 92.50%(74 cases) in the group of Angle’s Class Ⅱ malocclusion and 10.00%(5 cases) in the group of normal occlusion(P

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