Diferenciação de indivíduos saudáveis e portadores de disfunção temporomandibular por meio da eletromiografia de superfície dos músculos temporais e masseteres

Abstract

Temporomandibular joint dysfunction (TMD) is a group of disorders that involve the Stomatognathic system. To your multifactorial character, requires a lot of specific reviews, however the diagnostic accuracy of the current instruments, are low. Objective: Was to evaluate the sensitivity and specificity of the raw and normalized EMG signal and identify a reference value that differentiates individuals with of without TMD. Material and methods: 67 women were evaluated according to the RDC/TMD (Temporomandibular Disorders Research diagnosis Chriteria is) into two groups, 36 (TMD group)(27.83 ± 6, 00anos) and 31 (without DTM group) (25.24 ± 6, 72anos). Electromyographic collection was held in masseteres and temporal muscles right and left, as theparticipants performed tests of RMP (resting), CHW (isotonic contraction),MCE (isometric contraction) and MVC. For sEMG analysis, raw andnormalizade root mean square (RMS) values were obtained all performed test. The effect size was calculated for the comparisons, and consequently the data who had moderate or high effects was calculated the AUC and to identify the point of the ROC curve was calculated the SeandSP for accuracy each variable EMG diagnostic for both the raw data and the normalized. Results:The main differences between the groups were observed in the RMP, however, the effect of the differences was low or moderate. The discriminatory capacity of each EMG presented low and moderate accuracy. The data showed and, to meet point a diagnostic accuracy. Conclusion: The signal raw and normalized EMG do not present themselves and to point to differentiate individuals with of without TMD.