Electromyographic evaluation of the upper lip according to the breathing mode: A longitudinal study

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dc.contributor.authorAmbrosio, Aldrieli Regina [UNESP]
dc.contributor.authorTrevilatto, Paula Cristina
dc.contributor.authorMartins, Lidia Parsekian [UNESP]
dc.contributor.authordos Santos-Pinto, Ary [UNESP]
dc.contributor.authorShimizu, Roberto Hideo
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionPontifícia Universidade Católica do Paraná (PUCPR)
dc.contributor.institutionSchool of Dentistry
dc.date.accessioned2014-05-27T11:23:59Z
dc.date.available2014-05-27T11:23:59Z
dc.date.issued2009-10-01
dc.description.abstractThe present study aimed at analyzing and comparing longitudinally the EMG (electromyographic activity) of the superior orbicularis oris muscle according to the breathing mode. The sample, 38 adolescents with Angle Class II Division 1 malocclusion with predominantly nose (PNB) or mouth (PMB) breathing, was evaluated at two different periods, with a two-year interval between them. For that purpose, a 16-channel electromyography machine was employed, which was properly calibrated in a PC equipped with an analogue-digital converter, with utilization of surface, passive and bipolar electrodes. The RMS data (root mean square) were collected at rest and in 12 movements and normalized according to time and amplitude, by the peak value of EMG, in order to allow comparisons between subjects and between periods. Comparison of the muscle function of PNB and PMB subjects at period 1 (P1), period 2 (P2) and the variation between periods (Δ) did not reveal statistically significant differences between groups (p < 0.05). However, longitudinal evaluation of the muscle function in PNB and PMB subjects demonstrated different evolutions in the percentage of required EMG for accomplishment of the movements investigated. It was possible to conclude that there are differences in the percentage of electric activity of the upper lip with the growth of the subjects according to the breathing mode.en
dc.description.affiliationSchool of Dentistry of Araraquara São Paulo State University (UNESP), Araraquara, SP
dc.description.affiliationPontifical Catholic University of Paraná (PUCPR), Curitiba, PR
dc.description.affiliationTuiuti University of Paraná School of Dentistry Department of Orthodontics, Curitiba, PR
dc.description.affiliationUnespSchool of Dentistry of Araraquara São Paulo State University (UNESP), Araraquara, SP
dc.format.extent415-423
dc.identifierhttp://dx.doi.org/10.1590/S1806-83242009000400011
dc.identifier.citationBrazilian Oral Research, v. 23, n. 4, p. 415-423, 2009.
dc.identifier.doi10.1590/S1806-83242009000400011
dc.identifier.file2-s2.0-77953711454.pdf
dc.identifier.issn1806-8324
dc.identifier.issn1807-3107
dc.identifier.lattes8223795731605246
dc.identifier.scieloS1806-83242009000400011
dc.identifier.scopus2-s2.0-77953711454
dc.identifier.urihttp://hdl.handle.net/11449/71185
dc.language.isoeng
dc.relation.ispartofBrazilian Oral Research
dc.relation.ispartofjcr1.223
dc.rights.accessRightsAcesso aberto
dc.sourceScopus
dc.subjectAngle class II
dc.subjectElectromyography
dc.subjectLip
dc.subjectMalocclusion
dc.subjectMouth breathing
dc.subjectadolescent
dc.subjectbreathing
dc.subjectchild
dc.subjectelectromyography
dc.subjectface muscle
dc.subjectfemale
dc.subjecthuman
dc.subjectlip
dc.subjectlongitudinal study
dc.subjectmale
dc.subjectmalocclusion
dc.subjectmastication
dc.subjectmouth breathing
dc.subjectnonparametric test
dc.subjectpathophysiology
dc.subjectphysiology
dc.subjectswallowing
dc.subjecttime
dc.subjectAdolescent
dc.subjectChild
dc.subjectDeglutition
dc.subjectFacial Muscles
dc.subjectFemale
dc.subjectHumans
dc.subjectLongitudinal Studies
dc.subjectMale
dc.subjectMalocclusion, Angle Class II
dc.subjectMastication
dc.subjectMouth Breathing
dc.subjectRespiration
dc.subjectStatistics, Nonparametric
dc.subjectTime Factors
dc.titleElectromyographic evaluation of the upper lip according to the breathing mode: A longitudinal studyen
dc.typeArtigo
dcterms.licensehttp://www.scielo.br/revistas/bor/paboutj.htm
unesp.author.lattes8223795731605246
unesp.author.lattes6562540057111580[4]
unesp.author.orcid0000-0002-9678-0798[3]
unesp.author.orcid0000-0003-3355-0001[4]
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Odontologia, Araraquarapt

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