摘要
目的评价颞下颌开口指数(Temporomandibular opening index,TOI)在以开口受限为主要症状的颞下颌关节紊乱病患者中的鉴别诊断价值。方法收集开口受限患者43例,其中咀嚼肌紊乱疾病患者25例,不可复性盘前移位患者18例。正常对照组30例。临床测量指标包括最大开口度、被动开口度并计算TOI。其中,TOI=(最大主动开口度-被动开口度)/(最大主动开口度+被动开口度)×100%。统计方法采用两组独立样本t检验,年龄和性别用协方差分析。结果咀嚼肌紊乱疾病组TOI为14.62±5.23%,对照组TOI为3.45±1.20%,不可复性盘前移位组为5.55±2.61%。三组组间比较P<0.05,有显著性差异。年龄、性别没有对观察结果造成显著影响。结论TOI可以用于咀嚼肌紊乱疾病的鉴别诊断,不受年龄性别的影响,是一种较好的区别肌源性或物理性阻碍开口受限的临床指标。
Objective To apply temporomandibular opening index in diagnosis of temporomandibular disorders. Methods Forty- three patients with TMD were included in this study. Twenty - five patients were diagnosed as myogenous TMD. The other patients were diagnosed as anterior disc displacement without reduction. A group of 30 individuals with no signs or symptoms of TMD were served as the control. Clinical examination included maximum voluntary mouth opening, passive opening and temporomandibular opening index （TOI）. The TOI was then determined as follows： TOI = （Maximum voluntary opening- Passive opening）/（ Maximum voluntary opening ＋ Passive opening） × 100%. Comparison of the two groups was carried out using the two- sample t- test. The effects of age and gender were examined by analysis of covariance. Results TOI for the myogenous group was found to be 14.62 ± 5.23 %. TOI for the group with anterior disc displacement without reduction was 5.55 ± 2.61% and TOI for the control group was 3.45 ± 1. 20 %. A significant difference was found between the TOI of each group （ P 〈 0.05）. Analysis of covariance showed that the TOI is not age or gender dependent. Conclusion TOI was significantly different between myogenous TMD patients and the healthy. TOI is a simple, inexpensive, useful diagnostic aid that can be applied to differentiate patients with mouth opening limitation.
出处
《现代口腔医学杂志》
CAS
CSCD
北大核心
2007年第6期585-587,共3页
Journal of Modern Stomatology
基金
广东省重大科研项目(97-051)
中山大学5010项目
关键词
颞下颌关节紊乱病
开口度
鉴别诊断
Temporoman dibular disorders Maximal opening of mouth Differentiate diagnose
