Abstract
This study aimed to evaluate the amplitude and pattern of mouth opening in patients treated with occlusal plaque (OP) after 1 and 3 months of treatment. The mouth opening pattern was assessed using the metric method and the mouth opening amplitude of 23 patients treated with occlusal plaque (OP; N = 23). All patients were diagnosed with TMD according to axis 1 of the RDC/TMD (Research Diagnostic Criteria for Temporomandibular Disorders). The collected data were evaluated using the SPSS program using the Wilcoxon, Kruskal Wallis, and Fisher’s exact Chi Square tests. The OP showed a satisfactory performance in the opening pattern variable, maintaining the same pattern as the patient throughout the treatment time (P = 0.003). In the variable of maximum opening amplitude, the therapy showed a significant improvement in amplitude gain in the initial time and after one month of therapy (P = 0.002), maintaining the amplitude until the third month, without presenting significant gain. It was concluded that OP has a satisfactory performance for the treatment of TMD when the opening pattern and the mean maximum opening amplitude are analyzed without assistance.
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