Abstract
As part of a laboratory evaluation, measurements of abrasion loss and tensile enamel--sealant bond strengths have been made on three visible light cured sealants (two filled, one unfilled), two chemically cured sealants (one filled and one unfilled) and an experimental sealant with alumina filler particles. A UV-cured filled sealant was used as a control. The unfilled sealants had abrasion loss approximately twice that of the filled commercial sealants. The experimental sealant, with filler content above 50%, had an abrasion loss approximately half that of the filled commercial sealants. The chemical cured sealants had bond strengths lower than the UV-cured control, while the bond strengths of the two visible light-cured filled sealants and the experimental sealant were not statistically different from either the unfilled visible light-cured sealant or from the UV-cured filled sealant.
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