2006
DOI: 10.1590/s1415-54192006000300012
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Avaliação da superfície de braquetes de titânio após a aplicação de fluoreto de sódio

Abstract: OBJETIVO: avaliar o efeito da aplicação do fluoreto de sódio (NaF 1,23%) sobre a superfície de braquetes de titânio e de aço inoxidável. METODOLOGIA: foram utilizados 15 braquetes de titânio, divididos em três grupos: A) grupo controle, composto por braquetes não submetidos a qualquer tipo de tratamento; B) braquetes imersos por 60 segundos em fluoreto de sódio e lavados com 20ml de água destilada por trinta segundos; C) braquetes imersos por 60 segundos em fluoreto de sódio e posteriormente submetidos à escov… Show more

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Cited by 2 publications
(2 citation statements)
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“…The specimens correspondent to each group were subjected to surface treatment, which consisted in putting a similar amount of the standardized dentifrice per group on the brush using the transversal technique, mechanic brushing for 15 seconds, always performed by the same operator, 22 using the Colgate Motion ® electric toothbrush. After mechanic brushing the specimens were rinsed with 20 ml of distilled water during 20 seconds with assistance of a disposable syringe.…”
Section: Experimental Designmentioning
confidence: 99%
See 1 more Smart Citation
“…The specimens correspondent to each group were subjected to surface treatment, which consisted in putting a similar amount of the standardized dentifrice per group on the brush using the transversal technique, mechanic brushing for 15 seconds, always performed by the same operator, 22 using the Colgate Motion ® electric toothbrush. After mechanic brushing the specimens were rinsed with 20 ml of distilled water during 20 seconds with assistance of a disposable syringe.…”
Section: Experimental Designmentioning
confidence: 99%
“…24,30 There are findings that show that fluoridated mouthwashes may influence on the resistance to corrosion 27 and galvanic corrosion 26 of orthodontic brackets as well as on the corrosion and modification of mechanical properties of orthodontic wires. 12,14,17,29,30 Few previous studies were performed to evaluate the influence and clinical implications of fluoridated dentifrices on orthodontic brackets, although there are clinical evidences 25 and in vitro studies 8,9,18,20,22 of the deleterious effects produced by the challenges that these appliances are submitted to in the oral cavity. Knowing that innumerous dentifrices commonly used by orthodontic patients are commercially available, with the most varied compositions and concentrations of substances that in contact with metal can induce alterations and that these changes on the surface properties of orthodontic brackets may jeopardize the orthodontic mechanics, the objective of this study was to evaluate in vitro the ionic degradation and the slot base corrosion of metallic brackets when subjected to mechanical brushing with different dentifrices, through analysis of chemical composition by Energy Dispersive Spectroscopy (EDS) and qualitative analysis through Scanning Electron Microscopy (SEM).…”
mentioning
confidence: 99%