Efficacy of mouth rinses and toothpaste on tooth whitening

People increasingly desire tooth whitening. Considering the wide range of whitening products on the market, this study evaluated the efficacy of whitening toothpastes and mouth rinses compared with the 10% carbamide peroxide (CP) whitening gel. We obtained 120 cylindrical specimens from bovine teeth...

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Bibliographic Details
Published in:	Operative dentistry Vol. 38; no. 1; pp. 57 - 62
Main Authors:	Torres, C R G, Perote, L C C C, Gutierrez, N C, Pucci, C R, Borges, A B
Format:	Journal Article
Language:	English
Published:	United States 01-01-2013
Subjects:	Animals Cariostatic Agents - therapeutic use Cattle Coffee Color Dental Enamel - drug effects Dental Enamel - pathology Dentistry Detergents - therapeutic use Diphosphates - therapeutic use Fluorides - therapeutic use Hydrogen Peroxide - therapeutic use Materials Testing Mouthwashes - therapeutic use Peroxides - therapeutic use Povidone - therapeutic use Sodium Dodecyl Sulfate - therapeutic use Spectrophotometry - instrumentation Time Factors Tooth Bleaching - methods Tooth Bleaching Agents - therapeutic use Tooth Discoloration - drug therapy Tooth Discoloration - pathology Toothpastes - therapeutic use Urea - analogs & derivatives Urea - therapeutic use
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Summary:	People increasingly desire tooth whitening. Considering the wide range of whitening products on the market, this study evaluated the efficacy of whitening toothpastes and mouth rinses compared with the 10% carbamide peroxide (CP) whitening gel. We obtained 120 cylindrical specimens from bovine teeth, which were darkened for 24 hours in a coffee solution. The color measurement was performed by a spectrophotometer using the CIE Lab* system, and specimens were divided into six groups according to the use of the following agents: group 1, conventional fluoridated toothpaste; group 2, Close Up White Now; group 3, Listerine Whitening; group 4, Colgate Plax Whitening; group 5, experimental mouth rinse with Plasdone; and group 6, 10% CP Whiteness Perfect. After the simulation of 12 weeks of treatment for groups 1 to 5 and 14 days of treatment for group 6, the specimens were subjected to a new color reading. Data were subjected to one-way analysis of variance (α=0.05), which showed significant differences among groups after 12 weeks for ΔE (p=0.001). Results of the Tukey test revealed that groups 3, 4, and 6 presented significantly higher color alteration than groups 1, 2, and 5. The whitening toothpaste Close Up White Now and the experimental mouth rinse with Plasdone showed similar color alteration as conventional toothpaste after a 12-week treatment simulation. These groups presented significantly lower color alteration compared with whitening mouth rinses Listerine and Colgate Plax Whitening, which showed similar results to those observed after 14 days of bleaching with 10% CP treatment.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	0361-7734 1559-2863
DOI:	10.2341/11-360-l