PMID: 16519873Mar 8, 2006Paper

Tooth bleaching by different concentrations of carbamide peroxide and hydrogen peroxide whitening strips: an in vitro study

Journal of Esthetic and Restorative Dentistry : Official Publication of the American Academy of Esthetic Dentistry ... [et Al.]
M SuliemanM Addy

Abstract

To investigate the tooth whitening effects of various concentrations of carbamide peroxide (CP) gels and 6% hydrogen peroxide (HP) whitening strips used on an intrinsic, in vitro stain model in a simulated home-applied bleaching protocol. Extracted third molars were sectioned and stained to Vita shade C4 using a standardized tea solution. Stained specimens were then bleached with 10, 15, 20, 22, and 30% CP gels applied in custom-made trays for 8-hour sessions for 14 days. A 6% HP whitening strip product was also tested in a regimen of twice-daily 30-minute treatments for 14 days. Shades were assessed at baseline and at 2, 5, 7, 10, and 14 days of treatment using a shade guide (SG) and a shade vision system (SVS), recorded as shade guide unit (SGU) changes from baseline, and CIE L*a*b* recordings using a chromometer. By day 14, all CP treatments resulted in at least 12 SGU improvements by SG and SVS methods: the HP treatment mean was just less than 12 SGU. With the chromometer, the CP improvements ranged from approximately 19 to 28 units and 16 units for the HP whitening strips. Observationally, by SG and SVS, CP treatments achieved the maximum improvement (12-13 SGU) at different time points: day 5 for 30% CP, day 10 for 22% CP...Continue Reading

References

Feb 1, 1992·The Journal of the American Dental Association·W R Howard
Jan 1, 1996·Journal of Esthetic Dentistry·C M RussellM L Myers
Nov 26, 1999·The Journal of the American Dental Association·A J McCaslinC M Russell
Sep 15, 2000·The Journal of the American Dental Association·G R MokhlisG J Eckert

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Citations

May 26, 2012·Australian Dental Journal·A A M de VasconcelosA J S dos Santos
Aug 22, 2008·Periodontology 2000·Munther A M Sulieman
Feb 22, 2014·Photomedicine and Laser Surgery·Eva KlaricZrinka Tarle
Jan 27, 2019·Journal of Dental Research·O RedhaL Bozec
Sep 9, 2020·European Journal of Dentistry·Sarah S Al-AngariNjood AlAzzam
Feb 20, 2010·Operative Dentistry·Jussara K BernardonLuiz Narciso Baratieri
Aug 27, 2019·Journal of Esthetic and Restorative Dentistry : Official Publication of the American Academy of Esthetic Dentistry ... [et Al.]·Jorge Rodríguez-MartínezMaría-Jesús Sánchez-Martín
Aug 4, 2020·International Journal of Clinical Pediatric Dentistry·Manisha BehlKirti Chaudhry
Nov 8, 2017·The Journal of Contemporary Dental Practice·Yasmin Sb de Lima GomesCecy M Silva

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