Whitening Efficacy of 3% Carbamide Peroxide Gel Activated by Lactoperoxidase.

International Journal of Dentistry
Mehdi KhemissSana Bagga

Abstract

The aim of this clinical study was to evaluate the effectiveness of a whitening toothpaste containing 3% carbamide peroxide and lactoperoxidase. Materials and methods. Participants were instructed to brush their teeth using an enzymatic-activated dentifrice following a particular procedure for three weeks. Color was recorded before and after treatment using a VITA Easyshade spectrophotometer. Differences in L ∗ (tooth color lightness), a ∗ (displacement along the red-green axis), and b ∗ (displacement along the yellow-blue axis) were measured before and after treatment using the paired t and the Wilcoxon signed-rank tests. Color changes (Δ E ) were calculated using the obtained measurements. Thirty-four volunteers were included. Δ E was 4.03. For the set of 348 teeth, a greater tendency towards green (lower a ∗ ) and blue (lower b ∗ ) was observed (p < 0.05). There were no significant differences in lightness after t...Continue Reading

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Software Mentioned

CIELAB
VITA system 3D - MASTER
SPSS Package Statistical Sciences
VITA

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