J Am Dent Assoc. 1979 Oct;99(4):607-11.

Nocturnal electromyographic evaluation of myofascial pain dysfunction in patients undergoing occlusal splint therapy.

Clark GT, Beemsterboer PL, Solberg WK, Rugh JD.

Abstract

Twenty-five patients with symptoms of myofascial pain and abnormal jaw function were treated with use of a full arch maxillary occlusal splint. The level of nocturnal activity of the masseter muscle was monitored as were symptoms before, during, and after occlusal splint therapy. A decreased nocturnal EMG level during treatment was noted for 52% of the patients. A return to pretreatment EMG levels after removal of the splint was noticed in 92% of the patients; in 28% no change was shown and in 20%, an increase was shown in nocturnal EMG levels. The splint was most likely to reduce nocturnal EMG levels in patients with least severe symptoms.

PMID:: 292717; [PubMed - indexed for MEDLINE]

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R25 DE018663-04/DE/NIDCR NIH HHS/United States

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