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Associação entre bruxismo do sono e desordens temporomandibulares: estudo polisomnográfico piloto

Atualizado: 10 de jun.

Association between sleep bruxism and temporomandibular disorders: a polysomnographic pilot study

Leylha Maria Nunes Rossetti

Paulo Henrique Orlato Rossetti

Paulo César Rodrigues Conti

Carlos dos Reis Pereira de Araujo

The aim of this study was to verify the association between sleep bruxism (SB) and temporomandibular disorders (TMD) in a sample of 14 TMD patients and 12 healthy control subjects. All participants were evaluated using a clinical questionnaire, visual analog scale (VAS) for TMJ/muscle palpation, and by functional examination. The experimental group was divided into three TMD subgroups: joint sounds and pain, muscular tenderness, and mixed diagnosis. All participants underwent polysomnographic recording (PSG). A second clinical examination was then carried out to verify the relationship between rhythmic masticatory muscle activity and pain/tenderness on the following morning. The experimental and control groups presented VAS mean scores of 36.85 +/- 23.73 mm and 0 mm, respectively. The presence of SB was neither associated with TMD (p > 0.05) nor with pain on palpation (p > 0.05). Further research with a more representative sample of each TMD subgroup is necessary to elucidate its interaction with SB.


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