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http://dx.doi.org/10.5395/JKACD.2006.31.4.269

A CLINICAL EVALUATION OF A BLEACHING STRIP CONTAINING 2.9% HYDROGEN PEROXIDE  

Park Eun-Sook (Department of Conservative Dentistry, Seoul National University)
Seong So-Rae (Department of Conservative Dentistry, Seoul National University)
Hong Seong-Tae (Department of Conservative Dentistry, Seoul National University)
Kim Ji-Eun (Department of Conservative Dentistry, Seoul National University)
Lee So-Young (Department of Conservative Dentistry, Seoul National University)
Hwang Soo-Youn (Department of Conservative Dentistry, Seoul National University)
Lee Shin-Jae (Department of Orthodontics, Seoul National University)
Jin Bo-Hyoung (Department of Preventive Dentistry, School of Dentistry, Seoul National University)
Son Ho-Hyun (Department of Conservative Dentistry, Seoul National University)
Cho Byeong-Hoon (Department of Conservative Dentistry, Seoul National University)
Publication Information
Restorative Dentistry and Endodontics / v.31, no.4, 2006 , pp. 269-281 More about this Journal
Abstract
This study evaluated the effectiveness and safety of an experimental bleaching strip (Medison dental whitening strip. Samsung medical Co., Anyang, Korea) containing 2.9% hydrogen peroxide. Twenty-three volunteers used the bleaching strips for one and a half hour daily for 2 weeks. As control group. the same strips in which hydrogen peroxide was not included were used by 24 volunteers with the same protocol. The shade change (${\Delta}E^{*}$, color difference) of twelve anterior teeth was measured using Shade Vision (X-Rite Inc., S.W. Grandville, MI, USA). Chroma Meter (Minolta Co., Ltd. Osaka. Japan) and Vitapan classical shade guide (Vita Zahnfabrik, Germany). The shade change of overall teeth in the experimental group was significantly greater than that in the control group (p < 0.05) and was easily perceivable. The change resulted from the increase of lightness (CIE $L^{*}$ value) and the decrease of redness (CIE $a^{*}$ value) and yellowness (CIE $b^{*}$ value). The shade change of individual tooth was greatest in canine. and smallest in central incisor. The safety of the bleaching strip was also confirmed.
Keywords
Bleaching strip; Safety; Effectiveness; Hydrogen peroxide; Clinical study;
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