Please use this identifier to cite or link to this item: http://repositorio.ufpa.br/jspui/handle/2011/8706
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dc.creatorLEITE, Brisa dos Santos-
dc.creatorFAGUNDES, Nathália Carolina Fernandes-
dc.creatorARAGÓN, Mônica Lídia Castro de-
dc.creatorDIAS, Carmen Gilda Barroso Tavares-
dc.creatorNORMANDO, Antonio David Corrêa-
dc.date.accessioned2017-06-16T11:51:46Z-
dc.date.available2017-06-16T11:51:46Z-
dc.date.issued2016-08-
dc.identifier.citationLEITE, Brisa dos Santos et al. Cleansing orthodontic brackets with air-powder polishing: effects on frictional force and degree of debris. Dental Press Journal Orthodontics, Maringá, v. 21, n. 4, p. 60-65, jul./ago. 2016. Disponível em: <http://www.scielo.br/scielo.php?script=sci_arttext&pid=S2176-94512016000400060&lng=pt&nrm=iso>. Acesso em: 16 jun. 2017. <http://dx.doi.org/10.1590/2177-6709.21.4.060-065.oar>.pt_BR
dc.identifier.issn2177-6709pt_BR
dc.identifier.urihttp://repositorio.ufpa.br/jspui/handle/2011/8706-
dc.description.abstractIntroduction: Debris buildup on the bracket-wire interface can influence friction. Cleansing brackets with air-powder polishing can affect this process. Objective: The aim of this study was to evaluate the frictional force and amount of debris remaining on orthodontic brackets subjected to prophylaxis with air-powder polishing. Methods: Frictional force and debris buildup on the surface of 28 premolar brackets were evaluated after orthodontic treatment. In one hemiarch, each bracket was subjected to air-powder polishing (n = 14) for five seconds, while the contralateral hemiarch (n = 14) served as control. Mechanical friction tests were performed and images of the polished bracket surfaces and control surfaces were examined. Wilcoxon test was applied for comparative analysis between hemiarches at p < 0.05. Results: Brackets that had been cleaned with air-powder polishing showed lower friction (median = 1.27 N) when compared to the control surfaces (median = 4.52 N) (p < 0.01). Image analysis showed that the control group exhibited greater debris buildup (median = 2.0) compared with the group that received prophylaxis with air-powder polishing (median = 0.5) (p < 0.05). Conclusion: Cleansing orthodontic brackets with air-powder polishing significantly reduces debris buildup on the bracket surface while decreasing friction levels observed during sliding mechanics.pt_BR
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dc.languageporpt_BR
dc.publisherUniversidade Federal do Parápt_BR
dc.relation.ispartofDental Press Journal of Orthodonticspt_BR
dc.rightsAcesso Abertopt_BR
dc.subjectSuportes ortodônticospt_BR
dc.subjectBraquetes ortodônticospt_BR
dc.subjectProfilaxia dentalpt_BR
dc.subjectTratamento odontológicopt_BR
dc.titleCleansing orthodontic brackets with air-powder polishing: effects on frictional force and degree of debrispt_BR
dc.typeArtigo de Periódicopt_BR
dc.publisher.countryBrasilpt_BR
dc.publisher.initialsUFPApt_BR
dc.citation.volume21pt_BR
dc.citation.issue4pt_BR
dc.citation.spage60pt_BR
dc.citation.epage65pt_BR
dc.description.resumoIntrodução: o acúmulo de detritos na interface braquete-arco pode influenciar no atrito, mas a limpeza dos braquetes usando jatos de bicarbonato de sódio pode interferir nesse processo. Objetivo: o objetivo desse estudo foi avaliar a força de atrito e a quantidade de detritos remanescentes em braquetes ortodônticos submetidos à profilaxia com jatos de bicarbonato de sódio. Material e Métodos: avaliou-se, ao final do tratamento ortodôntico, a força de atrito e o acúmulo de detritos na superfície de 28 braquetes de pré-molares. Em uma hemiarcada, os braquetes foram jateados com bicarbonato de sódio (n=14) por 5 segundos, enquanto a hemiarcada contralateral serviu de controle (n=14). Foram realizados ensaios mecânicos de atrito e análise imagiológica dos braquetes de ambas as hemiarcadas, a jateada e a controle. O teste de Wilcoxon foi utilizado para a análise comparativa entre as hemiarcadas, com p < 0,05. Resultados: os braquetes submetidos à limpeza com jatos de bicarbonato de sódio apresentaram menor atrito (mediana = 1,27N), quando comparados aos do lado controle (mediana = 4,52N) (p < 0,01). A análise imagiológica demonstrou que o grupo controle apresentou maior acúmulo de detritos (mediana = 2,0), em comparação ao grupo que recebeu profilaxia com jatos de bicarbonato (mediana = 0,5) (p < 0,05). Conclusão: a limpeza dos braquetes ortodônticos por meio do jateamento com bicarbonato de sódio reduz significativamente o acúmulo de detritos na superfície deles, bem como os níveis de atrito observados durante a mecânica de deslizamento.pt_BR
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