Steep bruxism and temporomandibular disorder: Clinical and polysornnographic evaluation

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2006-09-01
Autores
Camparis, Cinara Maria
Formigoni, Gilberto
Teixeira, Manoel Jacobsen
Bittencourt, Lia Rita Azeredo
Tufik, Sergio [UNIFESP]
Siqueira, Jose Tadeu Tesseroli de
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Objective: To seek better understanding of chronic musculoskeletal facial pain and its relation to steep bruxism, by comparing patients with steep bruxism, with and without temporomandibular disorder.Design: Forty steep bruxism patients were evaluated according to the Research Diagnostic Criteria for Temporomandibutar Disorders: group A-20 patients with myofascial pain, 3 men, 17 women; average age 32.7 yr; mean duration of pain 4.37 yr; group B-20 without myofascial pain, 5 men, 15 women; average age 30.8 yr. Steep and bruxism were evaluated in one-night potysomnography.Results: There were no statistically significant differences for bruxism and steep variables of the two groups: number of bursts and bruxism episodes per hour, amplitude and duration of bruxism episodes, steep efficiency and Latency, percentage of non-REM and REM steep, respiratory events, periodic limb movements, and microarousals.
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Archives of Oral Biology. Oxford: Pergamon-Elsevier B.V., v. 51, n. 9, p. 721-728, 2006.