dc.contributorUniversidade Federal de São Paulo (UNIFESP)
dc.contributorUniversity of Western São Paulo State
dc.contributorUniversidade Estadual de Campinas (UNICAMP)
dc.creatorSouza, Denize Ramirez de
dc.creatorSemeghini, Tatiana Adamov
dc.creatorKroll, Lucio Benedito
dc.creatorBerzin, Fausto
dc.date.accessioned2015-06-14T13:38:37Z
dc.date.accessioned2019-05-24T16:43:36Z
dc.date.available2015-06-14T13:38:37Z
dc.date.available2019-05-24T16:43:36Z
dc.date.created2015-06-14T13:38:37Z
dc.date.issued2008-06-01
dc.identifierJournal of Applied Oral Science. Faculdade De Odontologia De Bauru - USP, v. 16, n. 3, p. 226-231, 2008.
dc.identifier1678-7757
dc.identifierhttp://repositorio.unifesp.br/handle/11600/4449
dc.identifierS1678-77572008000300012.pdf
dc.identifierS1678-77572008000300012
dc.identifier10.1590/S1678-77572008000300012
dc.identifierWOS:000256795900012
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/2823701
dc.description.abstractOBJECTIVE: The aim of this study was to assess the presence of oral myofunctional alterations before and after first premolar extraction in Class II/1 malocclusion patients that could endanger the long-term dental arch stability. MATERIAL AND METHODS: The study was performed by means of morphological, functional and electromyographic analyses in 17 Class II/1 malocclusion patients (group T) and 17 Class I malocclusion patients (group C -control), both groups with 12-30-year age range (mean age: 20.93 ± 4.94 years). RESULTS: Data analyzed statistically by Student's t-test showed a significant decrease (p<0.05) in the maxillary and mandibular dental arch perimeters after orthodontic treatment, but lip posture at rest did not present statistically significant differences after treatment (p>0.05). The Kruskal-Wallis test analyzed data from lip posture (orbicularis oris muscle) at rest and during swallowing, as well as the mentalis muscle behavior during the above-mentioned function, not showing statistically significant differences (p>0.05) after treatment (groups T1 and T2). However, group T differed significantly from group C (p<0.05). Lip posture during swallowing showed statistically significant differences (p<0.05) for subjects submitted to orthodontic therapy when compared to data acquired before the treatment. The electromyographic analysis confirmed these data. CONCLUSIONS: Found myofunctional alterations observed after the orthodontic treatment in Class II/1 malocclusion seemed to jeopardize the long-term orthodontic stability, making recurrence possible.
dc.languageeng
dc.publisherFaculdade De Odontologia De Bauru - USP
dc.relationJournal of Applied Oral Science
dc.rightsAcesso aberto
dc.subjectOrbicularis oris muscles
dc.subjectMentalis muscle
dc.subjectElectromyography
dc.subjectOral myofunctional evaluation
dc.subjectTooth extractions
dc.titleOral myofunctional and electromyographic evaluation of the orbicularis oris and mentalis muscles in patients with class II/1 malocclusion submitted to first premolar extraction
dc.typeArtículos de revistas


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