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- Title
MASTIGAÇÃO E ATIVIDADE ELETROMIOGRÁFICA EM CRIANÇAS COM MORDIDA CRUZADA POSTERIOR.
- Authors
Voi Trawitzki, Luciana Vitaliano; de Felício, Cláudia Maria; Puppin-Rontani, Regina Maria; Nakane Matsumoto, Mirian Aiko; Vitti, Mathias
- Abstract
Purpose: to investigate the masticatory preference and the behavior of masticatory muscles, in children between6 to 9-year old, with posterior crossbite. Methods: 30 children were selected from the Orthodontical service of a public university. After consenting to take part in the study, there was an interview with the children and the parent, in order to investigate temporomandibular disorders; masticatory was analyzed through video recording and electromyographic (EMG) evaluation of the masseter and anterior temporal, during the solicited mastication, on right and left, using chewing gum. Results: there was a significant difference in the EMG activity of the masseter and temporal between work and balance sides, however there was no statistical differences in the comparison between crossbite side and no crossbite side, but neither between preference side and non the preference side. Conclusion: in the studied population there was no functional muscular asymmetry established.
- Subjects
MASTICATORY muscles; MASTICATION disorders; ORTHODONTICS; ELECTROMYOGRAPHY; MASSETER muscle; CHEWING gum; DISEASES
- Publication
Revista CEFAC, 2009, Vol 11, p334
- ISSN
1516-1846
- Publication type
Article
- DOI
10.1590/S1516-18462009000700008