2010
DOI: 10.1590/s0103-64402010000600009
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Abstract: The aim of this study was to assess the influence of etching and light-curing time on the shear bond strength (SBS) and adhesive remnant index (ARI) of a resin-modified glass ionomer cement (RMGIC) upon debonding of orthodontic brackets. Sixty-eight bovine permanent incisors were obtained and embedded in acrylic resin. Edgewise metallic brackets were bonded to the teeth with Fuji Ortho LC RMGIC. The specimens were randomly assigned to 4 groups, using the following etching and light-curing times: G1: 10% polyac… Show more

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Cited by 11 publications
(13 citation statements)
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“…This type of failure suggests that the weakest link in the adhesive chain was between bracket base and composite, thus not affecting the dental surface at all. These results are also corroborated by previous studies (12,17), as no significant differences in ARI scores were observed between halogen light and LED units.…”
Section: Discussionsupporting
confidence: 91%
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“…This type of failure suggests that the weakest link in the adhesive chain was between bracket base and composite, thus not affecting the dental surface at all. These results are also corroborated by previous studies (12,17), as no significant differences in ARI scores were observed between halogen light and LED units.…”
Section: Discussionsupporting
confidence: 91%
“…On the other hand, Üsümez et al (17) found significantly lower values for LED devices compared to halogen light units for photo-activation time of 10 s. Silta et al (19) found significant differences compared to halogen and LED units at different of polymerization times (20 s, 10 s and 6 s); the shorter the curing time, lower the shear bond strength. Marquezan et al (20) found no significant differences in the bond strengths when using the new Whitening Lase Ortho curing light for 40 s for a half arch compared to conventional halogen and LED curing lights used for 20 s per tooth.…”
Section: Discussionmentioning
confidence: 99%
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“…Previous studies have showed that light curing devices such as LED devices display equivalent or even better performance equated to halogen light devices for 40 sec photo-activation time [11][12][13][14][15][16][17][18]. In this study, groups I and M showed higher bod strength than W and A.…”
Section: Discussionmentioning
confidence: 46%
“…The shorter the curing time, lower the shear bond strength. Usemez et al [13] found significantly reduces values for LED devices compared to halogen light for photo activation time of 10sec.…”
Section: Discussionmentioning
confidence: 97%