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EVALUATION OF THE EFFECTIVENESS OF SCREENING FOR TEMPOROMANDIBULAR JOINT DISORDERS USING JOINT VIBRATION DEVICE
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Abstract
Objective: This study aimed to evaluate the correlation between joint vibration indices in subjects with normal temporomandibular joints and temporomandibular joint disorders. Methods: A cross-sectional descriptive study was conducted on 30 patients, corresponding to 60 joints, including 26 normal joints and 34 joints with temporomandibular disorders. The data included the results of joint vibration recording of 60 temporomandibular joints with the JVA vibration device. The data were analyzed with descriptive statistics, using the Shapiro-Wilk test to test the hypothesis of normal distribution of the data and the Mann-Whitney test to evaluate the difference between the normal groups and the group with TMD, the difference was statistically significant when p < 0.05. Results: The study results showed that the characteristics of joint vibration were different between the normal group and the TMD group, in which: total Integral, Integral below 300Hz, Integral above 300Hz and peak frequency in the normal group were 8.23 ± 4.57; 6.89 ± 3.55; 1.44±0.82 and 42.35±19.55, respectively, lower than the TMD group at 38.06 ± 27.89; 33.54 ± 9.12; 4.66±8.74 and 52.47 ± 18.58, respectively. The >300Hz/<300Hz ratio in the normal group was 0.2 ± 0.15, higher than that in the TMD group with an average of 0.1 ± 0.05. Conclusion: The method of JVA is a non-invasive method that allows diagnosis and helps detect early TMD with high reliability.
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Keywords
JVA, TMJ, TMD
References
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