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The American Journal of Esthetic Dentistry

Edited by Richard J. Simonsen, DDS, MS

ISSN 2162-2833 (print) • ISSN 2162-2841 (online)

The American Journal of Esthetic Dentistry
Fall 2012
Volume 2 , Issue 3

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Comparison of the Shade Improvement Scores of Four Bleaching Systems

Faraj Behbehani, DDS, MS/Jaber Akbar, DDS, MS/Yacoub Altarakemah, DDS, MS/Prem Sharma, MSc, PhD

Pages: 170-178

Most studies of tooth-whitening systems only report the mean shade improvement score following treatment; however, this information fails to provide data regarding the distribution of outcomes. This study aimed to determine the proportions of significant, mild to moderate, and no improvement of tooth shade for several bleaching treatments. Three hundred patients were divided into four groups of 75 patients each and treated with one of four bleaching methods: (1) at-home bleaching (Opalescence 20%), (2) in-office bleaching (Bright Smile), (3) in-office bleaching (Zoom), or (4) in-office plus at-home bleaching (Zoom and Day White 9.5%). The VITA 3D Bleached shade guide was used by calibrated examiners to determine the shade of the maxillary right central incisor before (T0) and 1 week (T1) and 3 months (T2) after treatment. The most common outcome among the four bleaching methods was one to four tabs of shade improvement, with a prevalence of 61% to 71% of cases at T1 and 70% to 77% of cases at T2. Self-limiting tooth and gingival sensitivity was the most noticeable side effect. The incidence of no improvement was 3% at T1 and 7% at T2. (Am J Esthet Dent 2012;2:170178.)

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