Sirirungrojying S, Kerdpon D
Faculty of Dentistry, Thammasat University, Klong Luang, Pathum-Thani, Thailand.
Int Dent J. 1999 Apr;49(2):101-4. doi: 10.1111/j.1875-595x.1999.tb00516.x.
The aim of the study was to compare the presence of oral tori and parafunctional activity (clenching, grinding teeth and/or bruxism) between temporomandibular disorder (TMD) patients and control subjects. Fifty-nine TMD and 353 control subjects were included. The groups were similar in sex and age distribution. There was no significant difference in prevalence of torus palatinus (TP) between TMD and control group (P = 0.2), while torus mandibularis (TM) was more common in TMD than in control group (P < 0.0005). Parafunctional habit was more common in TMD patients than in the control group (P < 0.0005). There was no significant association between size of TM and Helkimo's dysfunction index (P = 0.4). The results show that the prevalence of TM and parafunctional activity was higher in TMD than control patients. TM might be useful as an indicator of increased risk of TMD in some patients.
本研究的目的是比较颞下颌关节紊乱病（TMD）患者与对照组受试者口腔隆突和副功能活动（紧咬牙、磨牙和/或磨牙症）的情况。纳入了59名TMD患者和353名对照受试者。两组在性别和年龄分布上相似。TMD组与对照组之间腭隆突（TP）的患病率无显著差异（P = 0.2），而下颌隆突（TM）在TMD组中比对照组更常见（P < 0.0005）。副功能习惯在TMD患者中比对照组更常见（P < 0.0005）。TM的大小与赫尔基莫功能障碍指数之间无显著关联（P = 0.4）。结果表明，TMD患者中TM和副功能活动的患病率高于对照组患者。TM可能作为某些患者TMD风险增加的一个指标。
