title: Randomized clinical trial of the efficacy and safety of a home bleaching procedure.
abstract: The safety and efficacy of a home-use carbamide peroxide tooth-whitening procedure were evaluated in a double-blind experimental design. Fifty-two adults were randomly assigned to experimental and control (placebo gel) groups. The products were applied in a custom-fitted tray and used for 5 consecutive nights in accordance with the manufacturer's recommendations. Tooth color changes from baseline were measured with a small-area colorimeter. Concurrently, electric pulp test and periodontal indices were measured. At the end of 6 months, the teeth in the active group had a statistically significant greater mean color change that did the placebo controls. The mean color change differed significantly by tooth type. No statistically significant changes in vitality, sulcus depth, or Gingival Index were found in the treatment group.
authors.affiliation: Section of Restorative and Prosthetic Dentistry, Ohio State University, College of Dentistry, Columbus 43210, USA.
authors.forename: S F
authors.initials: SF
authors.lastname: Rosenstiel
authors.forename: A G
authors.initials: AG
authors.lastname: Gegauff
authors.forename: W M
authors.initials: WM
authors.lastname: Johnston
mesh_terms: D000328:Adult; D000704:Analysis of Variance; D000077463:Carbamide Peroxide; D003124:Colorimetry; D003742:Dental Devices, Home Care; D003791:Dental Pulp Test; D004311:Double-Blind Method; D004338:Drug Combinations; D005260:Female; D006801:Humans; D007180:Incisor; D008297:Male; D008875:Middle Aged; D015999:Multivariate Analysis; D010512:Periodontal Index; D010545:Peroxides / Q000627:therapeutic use*; D011145:Polyvinyls / Q000627:therapeutic use*; D014073:Tooth Bleaching; D014508:Urea / Q000031:analogs & derivatives* / Q000627:therapeutic use
chemical_list: D004338:Drug Combinations; D010545:Peroxides; D011145:Polyvinyls; C093177:tooth-bleaching agent, Opalescence; D000077463:Carbamide Peroxide; D014508:Urea