Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/195305
Type: Artigo de periódico
Title: Electromyographic Study Of The Masseter Muscle In Individuals With Class Ii Malocclusion.
Author: Palomari, E T
Vitti, M
Tosello, D de Oliveira
Semprini, M
Rodrigues, A L
Abstract: The objective of this work was to study the action of the masseter muscle through electromyography and to analyze the difference of action potential generated by several pre-established jaw movements in individuals with Class II malocclusion. It was studied nine young individuals from both sexes, with ages ranging from 17 to 35, with no history of orthodontic treatment and/or having some kind of alteration in the temporomandibular joint (T.M.J.). In order to collect the electromyographic signs we have used a TECA TE-4 Electromygraph and surface electrodes type Beckman. The data were submitted to nonparametric statistical analysis by Friedman test. The response variables left occlusive contact, free protraction, protraction with occlusive contact, incisor mastication, right molar mastication and forced central occlusion movements showed significant outcomes. Thus we have concluded that as the occlusive balance suffers alterations, the malocclusions become predominant and the masseter muscle undergoes functional and structural modifications.
Subject: Action Potentials
Adolescent
Adult
Deglutition
Electromyography
Female
Humans
Male
Malocclusion, Angle Class Ii
Masseter Muscle
Mastication
Muscle Contraction
Rights: fechado
Identifier DOI: 
Address: http://www.ncbi.nlm.nih.gov/pubmed/11938597
Date Issue: 2002
Appears in Collections:Unicamp - Artigos e Outros Documentos

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