Comparative study of the effects of two bleaching agents on oral microbiota.
This study evaluated the in vivo effects of bleaching agents containing 10% carbamide peroxide (Platinum/Colgate) or 7.5% hydrogen peroxide (Day White 2Z/Discus Dental) on mutans Streptococcus during dental bleaching. The products were applied on 30 volunteers who needed dental bleaching. In each volunteer, one of the two bleaching agents was used on both dental arches one hour a day for three weeks. Analysis of the bacterial counts was made by collecting saliva before (baseline values), during (7 and 21 days) bleaching treatments and 14 days posttreatment. The Friedman non-parametric analysis (alpha=0.05) found no differences in microorganism counts at different times for each group for both agents (p>0.05). The Mann Whitney nonparametric test (alpha=0.05) showed no differences in micro-organism counts for both agents (p>0.05). Different bleaching agents did not change the oral cavity mutans Streptococcus counts.
Alkmin
Yara Tardelli
YT
School of Dentistry, Herminio Ometto University Center (UNIARARAS), Araras-SP, Brazil.
Sartorelli
Renata
R
Flório
Flávia Martão
FM
Basting
Roberta Tarkany
RT
D000293:Adolescent; D000328:Adult; D000077463:Carbamide Peroxide; D015169:Colony Count, Microbial; D004338:Drug Combinations; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D006861:Hydrogen Peroxide / Q000494:pharmacology; D008297:Male; D009055:Mouth / Q000382:microbiology; D016877:Oxidants / Q000494:pharmacology*; D010545:Peroxides / Q000494:pharmacology; D012463:Saliva / Q000382:microbiology; D013291:Streptococcus / Q000187:drug effects / Q000254:growth & development; D013295:Streptococcus mutans / Q000187:drug effects* / Q000254:growth & development; D014073:Tooth Bleaching; D014508:Urea / Q000031:analogs & derivatives / Q000494:pharmacology
D004338:Drug Combinations; D016877:Oxidants; D010545:Peroxides; D000077463:Carbamide Peroxide; D014508:Urea; D006861:Hydrogen Peroxide