title: Efficacy of mouth rinses and toothpaste on tooth whitening.
abstract: OBJECTIVE
  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.
  
  
  METHODS
  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 L*a*b* 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.
  
  
  RESULTS
  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.
  
  
  CONCLUSIONS
  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.
authors: UNESP Univ. Esadual Paulista, Restorative Dentistry, São Paulo, Brazil. carlosrgt@fosjc.unesp.br
authors: C R G
authors: CR
authors: Torres
authors: L C C C
authors: LC
authors: Perote
authors: N C
authors: NC
authors: Gutierrez
authors: C R
authors: CR
authors: Pucci
authors: A B
authors: AB
authors: Borges
mesh_terms: D000818:Animals; D000077463:Carbamide Peroxide; D002327:Cariostatic Agents / Q000627:therapeutic use; D002417:Cattle; D003069:Coffee; D003116:Color; D003743:Dental Enamel / Q000187:drug effects / Q000473:pathology; D003902:Detergents / Q000627:therapeutic use; D011756:Diphosphates / Q000627:therapeutic use; D005459:Fluorides / Q000627:therapeutic use; D006861:Hydrogen Peroxide / Q000627:therapeutic use; D008422:Materials Testing; D009067:Mouthwashes / Q000627:therapeutic use*; D010545:Peroxides / Q000627:therapeutic use; D011205:Povidone / Q000627:therapeutic use; D012967:Sodium Dodecyl Sulfate / Q000627:therapeutic use; D013053:Spectrophotometry / Q000295:instrumentation; D013997:Time Factors; D014073:Tooth Bleaching / Q000379:methods*; D058205:Tooth Bleaching Agents / Q000627:therapeutic use*; D014075:Tooth Discoloration / Q000188:drug therapy / Q000473:pathology; D014100:Toothpastes / Q000627:therapeutic use*; D014508:Urea / Q000031:analogs & derivatives / Q000627:therapeutic use
chemical_list: D002327:Cariostatic Agents; D003069:Coffee; D003902:Detergents; D011756:Diphosphates; D009067:Mouthwashes; D010545:Peroxides; D058205:Tooth Bleaching Agents; D014100:Toothpastes; D000077463:Carbamide Peroxide; D012967:Sodium Dodecyl Sulfate; D014508:Urea; D006861:Hydrogen Peroxide; D011205:Povidone; C003319:sodium pyrophosphate; D005459:Fluorides