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- Title
Enamel properties after tooth bleaching with hydrogen/carbamide peroxides in association with a CPP-ACP paste.
- Authors
Vasconcelos, Adriana Alcantara Meira de; Cunha, Ana Gabriela Gama; Borges, Boniek Castillo Dutra; Vitoriano, Jussier de Oliveira; Alves-Júnior, Clodomiro; Machado, Cláudia Tavares; Santos, Alex José Souza dos
- Abstract
Background. This study evaluated the impact of bleaching teeth using blends of a CPP-ACP paste (MI Paste; MI) and carbamide/hydrogen peroxides in different proportions on surface properties of bleached enamel. Methods. Ninety bovine incisors were bleached with 7.5% hydrogen peroxide (HP), 16% carbamide peroxide (CP), MI and blends of HP or CP:MI at three proportions (1:1, 2:1, 1:2). Hardness and roughness were measured at baseline and after bleaching. Enamel morphology was evaluated by Scanning Electron Microscopy (SEM). The data were analyzed by two-way ANOVA for repeated measurements and Tukey's test. Results. Most of the samples bleached with MI in combination with peroxides presented increased hardness and roughness which were associated to mineral deposition, as observed by SEM images. Blends with higher fractions of MI did not offer superior benefits. Conclusions. The use of a CPP-ACP paste mixed to carbamide/hydrogen peroxides can decrease adverse side-effects from tooth bleaching on an enamel surface.
- Subjects
TOOTH whitening; DENTAL enamel; CARBAMIDE peroxide; HYDROGEN peroxide; SCANNING electron microscopy; HARDNESS; SURFACE roughness
- Publication
Acta Odontologica Scandinavica, 2012, Vol 70, Issue 4, p337
- ISSN
0001-6357
- Publication type
Article
- DOI
10.3109/00016357.2011.654261