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KMID : 0362320090340020154
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Journal of Korean Academy of Operative Dentistry
2009 Volume.34 No. 2 p.154 ~ p.161
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CLINICAL STUDY OF SHADE IMPROVEMENT AND SAFETY OF POLYMER-BASED PEN TYPE BlancTis Forte WHITENING AGENT CONTAINING 8.3% CARBAMIDE PEROXIDE
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Lee Jin-Kyung
Min Sun-Hong
Hong Seong-Tae
Oh So-Ram
Chung Shin-Hye
Hwang Young-Hye
You Sung-Yeop
Bae Jwang-Shik
Baek Seung-Ho
Lee Woo-Chul
Soh Won-Jun
Kum Kee-Yeon
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Abstract
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This clinical study evaluated the whitening effect and safety of polymer based-pen type BlancTis Forte (NIBEC) containing 8.3% carbamide peroxide. Twenty volunteers used the BlancTis Forte whitening agent for 2 hours twice a day for 4 weeks. As a control. Whitening Effect Pen (LG) containing 3% hydrogen peroxide was used by 20 volunteers using the same protocol. The change in shade (△E², color difference) was measured using Shadepilot™ DeguDent) before, during, and after bleaching (2 weeks, 4 weeks, and post-bleaching 4 weeks). A clinical examination for any side effects (tooth hypersensitivity or soft tissue complications) was also performed at each check-up. The following results were obtained. 1. Both the experimental and control groups displayed a noticeable change in shade (△E) of over 2. No significant differences were found between the two groups (p > 0.05), implying that the two agents have a similar whitening effect.2. The whitening effect was mainly due to changes in a and b values rather than in L value (brightness). The experimental group showed a significantly higher change in b value, thus yellow shade, than the control (p < 0.05). 3. None of the participants complained of tooth hypersensitivity or soft tissue complications, confirming the safety of both whitening agents.
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KEYWORD
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Clinical study, Polymer-based whitening agent, Safety, Shade improvement, Shadepilot™
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