Abstract Occlusal stabilization splints are the most common treatment for controlling the deleterious effects of sleep bruxism. This study aimed to evaluate the effectiveness of a low-cost, mixed occlusal splint (MOS) compared to that of a rigid splint. A randomized clinical trial was performed on 43 adults of both sexes with possible sleep bruxism and satisfactory dental conditions. They were divided into rigid occlusal splint (ROS) (n = 23) and MOS (n = 20) groups. Masticatory muscle and temporomandibular joint (TMJ) pain intensity (visual analog scale), quality of life (WHOQOL-BREF), indentations in the oral mucosa, anxiety, and depression (HADS), number of days of splint use, and splint wear were evaluated. All variables were evaluated at baseline (T0), 6 months (T6), and 12 months (T12) after splint installation (T0), and splint wear was evaluated at T6 and T12. Student’s t-test, Mann–Whitney U test, non-parametric Friedman’s analysis of variance for paired samples and pairwise multiple comparisons, Pearson’s chi-square test, two-proportion z-test, non-parametric McNemar’s and Cochran’s Q, and Wilcoxon tests were used (p < 0.05). In both groups, there was a decrease in TMJ pain and pain intensity over time and improvements in the quality of life scores. At T6, there was a higher rate of splint wear in the MOS group than in the ROS group (p = 0.023). The MOS showed a higher rate of wear than the rigid splint but had similar results for the other variables. Therefore, the use of a mixed splint appears to be effective in controlling the signs and symptoms of sleep bruxism. lowcost, lowcost low cost, cost low-cost (MOS 4 conditions (ROS n 23 20 groups (TMJ visual scale, scale , scale) WHOQOLBREF, WHOQOLBREF WHOQOL BREF (WHOQOL-BREF) mucosa anxiety HADS, HADS (HADS) T0, T0 T (T0) (T6) 1 T12 (T12 Students Student s ttest, ttest t test t-test MannWhitney Mann Whitney nonparametric non parametric Friedmans Friedman comparisons Pearsons Pearson chisquare chi square twoproportion two proportion ztest, ztest z z-test McNemars McNemar Cochrans Cochran Q p 0.05. 005 0.05 . 0 05 0.05) scores 0.023. 0023 0.023 023 0.023) Therefore 2 (WHOQOL-BREF (HADS (T0 (T6 T1 (T1 00 0.0 002 0.02 02 (T 0.

O presente trabalho tem por objetivo relatar um caso clínico diagnosticado como Síndrome da apnéia obstrutiva do sono, e expor uma sequência lógica para o tratamento de pacientes que sofrem desta doença. Através da interpretação do exame de polissonografia, da anamnese, exame clínico e, ainda, por meio da realização do traçado e análise cefalométrica para apnéia do sono, indicou-se de forma segura e efetiva a terapia com aparelho intra-oral. Desta maneira, foi confeccionado um aparelho de avanço mandibular, o PLG. Após quatro semanas de uso do aparelho, o paciente foi encaminhado à realização de uma nova polissonografia, a qual revelou ausência de apnéias obstrutivas durante o sono. As etapas seguidas no tratamento deste estudo de caso destacaram a importância e a necessidade de uma abordagem correta e criteriosa dos casos de pacientes com apnéia do sono encaminhados ao consultório odontológico. A abordagem e sequência apresentadas garantiram o sucesso no tratamento deste estudo de caso.

The aim of this study is to describe a case report of obstructive sleep apnea syndrome and to describe a logical sequence for the treatment of patients who suffer from this disease. Through an interpretation of the polysomnography examination, case history, and clinical examination and by performing cephalometric analysis for sleep apnea, a safe and effective treatment using an intraoral device was indicated. Along these lines, a mandibular advancement device, the Posicionador Luiz Godolfim (PLG), was constructed. After using the device for 4 weeks, the patient underwent another polysomnography, which showed the absence of obstructive sleep apnea. The steps followed for the treatment in this case highlight the importance of and the need for a correct and careful approach for patients with sleep apnea referred to dental office. The approach and sequence presented ensured the success of treatment in this case.