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Type: Artigo de periódico
Title: Electromyographic study of the temporal, masseter and suprahyoid muscles in the mandibular rest position
Author: de Faria, CRS
Berzin, F
Abstract: The temporal muscles (anterior position), and the masseter and suprahyoid muscles were studied electromyographically in 15 subjects with ages ranging from 18 to 35 years, showing normal occlusion (Class I of angle), complete dentition and no dysfunction of the stomatognathic system. The volunteers sat comfortably in a chair, keeping the Frankfurt plane parallel to the boor; the muscles were analysed in the mandibular resting position through a number of stages: with minimum exteroceptive stimuli, relaxation with soft music, abolition of the intrabuccal negative pressure through a plastic tube, stress provoked by an electronic game, disocclusion of posterior teeth using the occlusal splint and finally withdrawal of this device. The electromyographic results were analysed statistically. The samples, were analysed for all of the frequencies of motor units, in a 1-min period. It was found that there were statistically significant difference between the relaxation stages as compared with the withdrawal of negative intraoral pressure and mainly with the stress phase, being this only on the suprahyoid muscles, with 5% significance.
Country: Inglaterra
Editor: Blackwell Science Ltd
Citation: Journal Of Oral Rehabilitation. Blackwell Science Ltd, v. 25, n. 10, n. 776, n. 780, 1998.
Rights: fechado
Identifier DOI: 10.1046/j.1365-2842.1998.00312.x
Date Issue: 1998
Appears in Collections:Unicamp - Artigos e Outros Documentos

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