A computerized method for evaluating balance of occlusal load
A computerized method for evaluating balance of occlusal load
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DOI：
10.1111/j.1365-2842.1996.tb00891.x
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发表时间：
1996-08-01
影响因子：
2.9
通讯作者：
Yamagata, K
中科院分区：
文献类型：
--
作者：
Matsui, Y;Ohno, K;Yamagata, K
为了进行咬合负荷平衡的定量评估，研究了牙科预刻度系统(R)的使用情况。该方法使用经过显色化学反应的测试片来检测接触面积，并使用计算机分析系统来评估咬合负荷的平衡。20名自然齿状牙受试者和10名半颌切除患者参加了研究。每个受试者都尽可能用力咬合试纸3个S。咬合负荷平衡以咬合负荷较小的一侧的负荷百分比(%OLR)表示。自然齿状牙组的%OLR为39.7%~49.4%，半上颌骨切除组为0%~31.3%。患者的低百分比OLRS归因于支持结构的丧失和临床医生的主观咬合调整。结合技术简单，相对较高的重复性和多样化的分析能力，该系统有助于在临床情况下定量评估咬合负荷平衡。
In order to undertake a quantitative evaluation of balance occlusal load, the use of the Dental Prescale System(R) was investigated. The method uses a test sheet that undergoes a colour-developing chemical reaction, for detecting contact area, and a computerized analysis system, for evaluating the balance of occlusal load. Twenty natural dentate subjects and 10 hemimaxillectomy patients participated in the study. Each subject bit a test sheet as hard as possible for 3 s. The balance of occlusal load was expressed as a percentage of the load on the side with the lesser occlusive load (%OLR). The %OLR ranged from 39.7% to 49.4% in the natural dentate subjects, and from 0% to 31.3% in the hemimaxillectomy patients at their resection site. The patients' low %OLRs were attributed to loss of sustaining structure and subjective occlusal adjustment by clinicians. Combining technical simplicity, relatively high reproducibility, and diverse analysis capability, this system is useful for quantitative evaluation of balance of occlusal load in clinical situations.