• Melo Rafaela Albuquerque RA https://orcid.org/0000-0002-3271-0002 Department of Dentistry, Universidade Federal, do Rio Grande do Norte (UFRN), Natal,, de Resende Camila Maria Bastos Machado CMBM https://orcid.org/0000-0002-6221-2733 Department of Dentistry, Universidade Federal, do Rio Grande do Nort, Cássia Renata de Figueirêdo Rêgo, Andressa de Sousa Leite Bispo, Barbosa Gustavo Augusto Seabra GAS https://orcid.org/0000-0002-0552-4933 Department of Dentistry, Universidade Federal, do Rio Grande do Norte (UFRN),, and Erika Oliveira de Almeida.
• Department of Dentistry, Universidade Federal, do Rio Grande do Norte (UFRN), Natal, Brazil.
• Int Dent J. 2020 Aug 1; 70 (4): 245-253.

IntroductionTemporomandibular dysfunction (TMD) is a condition that affects the stomatognathic system.ObjectiveTo determine the effect of treatment with an occlusal splint (OS), manual therapy (MT), counselling (CS) and the combination of an occlusal splint and counselling (OSCS) on pain and anxiety in patients with TMD.Materials And MethodsA randomised clinical trial was conducted with 89 patients diagnosed with TMD through RDC/TMD (Research Diagnostic Criteria for Temporomandibular Disorders) and divided into four groups of treatment: OSCS (n = 25); OS (n = 24); MT (n = 21); and CS (n = 19). Participants were assessed before and after 1 month of therapy for pain, anxiety and TMD diagnosis. Pain was measured by a visual analogue scale. To assess anxiety, Hospital Anxiety and Depression Scale (HADS), Beck Anxiety Inventory (BAI) and the State-Trait Anxiety Inventory (STAI-S and T) were used. The data were analysed using SPSS (Statistical Package for Social Science) 22.0.ResultsThe four groups obtained a significant reduction (P < 0.001) in the pain after 1 month of treatment. Treatment in all groups promoted a significant reduction in anxiety symptoms 1 month after completion, HADS (P < 0.001), BAI (P < 0.001), STAI-T (P = 0.006). Thus, no group was superior to the other in reducing the studied variables.ConclusionThe therapies used were effective in reducing pain and anxiety in patients diagnosed with TMD. However, no treatment was superior to the other in reducing the studied variables.© 2020 FDI World Dental Federation.

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