Effects of the low-intensity red laser radiation on the fluoride uptake in human enamel
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Brazilian Dental Journal
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Fluoride has been the most important preventive method on development
of the caries. This in vivo study evaluated the effects of lowintensity
red laser radiation on the fluoride uptake in enamel. Ten
healthy participants were recruited for this study. The two upper
central incisors of each volunteer were used and divided into 4
groups: group GC (control), which was untreated; group GF (fluoride),
which received topical acidulated phosphate fluoride (APF)
1,23% treatment for 4 minutes; group GLF (laser + fluoride), which
was irradiated with a low-intensity diode laser (l= 660 nm and dose= 6 J/cm²) with APF application after irradiation and group
GFL (fluoride + laser), which received APF before irradiation using
the same parameters as GLF. The determination of fluoride was
performed using a fluoride ion electrode after an acid-etch enamel
biopsy. The results showed a significant increase of the fluoride
uptake in enamel for groups GF, GLF and GFL when compared to
control group. Although a percentage increase of 57% was
observed for GLF with respect to GF, there were no statistical differences
among the treated groups. These findings motivate further
studies in order to introduce low-power laser associated to APF as
a protective method of dental caries.
Como referenciar
NAKASONE, R.K.; RODRIGUES, C.R.M.D.; BUZALAF, M.A.R.; OLYMPO, K.P.K.; TANJI, E.Y.; RIBEIRO, M.S. Effects of the low-intensity red laser radiation on the fluoride uptake in human enamel: a preliminary study. Brazilian Dental Journal, v. 15, p. 119-120, 2004. Special issue. Disponível em: http://repositorio.ipen.br/handle/123456789/32766. Acesso em: 20 Mar 2026.
Esta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.