The objective of the present study was to investigate the relationship of oral tori and occlusal stress as indicated by parafunctional activity (clenching and grinding) and to report the prevalence of torus palatinus (TP) and torus mandibularis (TM) among patients attending a dental school hospital in southern Thailand. Six-hundred-nine individuals, 183 males and 426 females, were interviewed and examined for the presence of clenching and grinding habit. The presence of TP and TM was also examined in each individual and in the case of TM size was recorded. Tabulated analysis was carried out to find the crude relationships of the parafunction, age and sex to the presence of TP or TM. The relationships were then analyzed by logistic regression. Of these individuals, 376 (61.7%) had TP, whereas 182 (29.9%) had TM. The male:female prevalence ratios of TP and TM were 1:1.4 and 1:0.94, respectively. TP was, thus, more frequent in females. A strong association between clenching and grinding and the presence of TM was found. The presence of TM might be useful as a cue to look for signs of parafunction.
OC, particularly PC, could be useful as a marker for immunosuppression, particularly where CD4 count cannot be determined routinely. Antifungal treatment is of benefit in the subjects who cannot afford highly active antiretroviral therapy (HAART).
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.
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