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Type: Artigo de periódico
Title: Electromyography Of The Temporalis And Masseter Muscles In Children With Right Unilateral Crossbite [eletromiografia Dos Músculos Temporal E Masseter Em Crianças Com Mordida Cruzada Posterior Direita]
Author: Pissulin C.N.A.
Berzin F.
de Faria Negrao Junior R.
Oliveira A.S.B.
Pissulin F.D.M.
Abstract: This study proposal was to evaluate the changes at a masticatory muscle temporalis and masseter, through a eletromyographic, at ponters of the right unilateral bite posterior, verifying the difference at the eletric activity between right and left sides. Twenty female volunteers, with ages between 7 and 8 (x = 7.4). The eletromyographics signals were collected in both sides in all volunteers in rest situations and in an usual isotonic mastication, right, left and bilateral and the maximun isometric constriction, which sinal was used to the eletric activity amplitude normalization. The results signed that the right masseter muscle presents an expressive statistic difference, if compared with the left masseter muscle during the left and right mastication, suggesting a right unilateral mastication. The muscle haven't gotten any expressive variance in this amplitude which remained to a proximate flat noticed in a right and habitual mastication, suggesting a right and one sided mastication during the left mastication occurs a raise of the eletric signal amplitude of the muscle left masseter. The right masseter muscle haven't gained any expressive variance, which remained in a proximate flat observed in an usual and right mastication, suggesting a muscular pattern hyperfunction next to the dental crossing.
Rights: aberto
Identifier DOI: 10.4025/actascihealthsci.v32i2.4952
Date Issue: 2010
Appears in Collections:Unicamp - Artigos e Outros Documentos

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