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Lee, Min, Hong, Oh, Chung, Hwang, You, Bae, Baek, Lee, Son, and Kum: Clinical study of shade improvement and safety of polymer-based pen type BlancTic Forte whitening agent containing 8.3% Carbamide peroxide
Original Article
Journal of Korean Academy of Conservative Dentistry

Journal of Korean Academy of Conservative Dentistry 2009; 34(2): 154-161.

Published online: 31 March 2009

DOI: https://doi.org/10.5395/JKACD.2009.34.2.154

Clinical study of shade improvement and safety of polymer-based pen type BlancTic Forte whitening agent containing 8.3% Carbamide peroxide

Jin-Kyung Lee1, #, Sun-Hong Min1, #, Sung-Tae Hong, So-Ram Oh1, Shin-Hye Chung1, Young-Hye Hwang1, Sung-Yeop You1, Kwang-Shik Bae1, 2, 3, Seung-Ho Baek1, 2, Woo-Cheol Lee1, 2, Won-Jun Son1, 2, Kee-Yeon Kum1, 2, 3

1Department of Conservative Dentistry, School of Dentistry, Seoul National University, Seoul, Korea.

2Dental Research Institute, School of Dentistry, Seoul National University, Seoul, Korea.

3BK21 Program, School of Dentistry, Seoul National University, Seoul, Korea.

Corresponding Author: Kee-Yeon Kum. Department of Conservative Dentistry, School of Dentistry. Seoul National University, 28-2 Yeongun-dong, Chongro-gu, Seoul, Korea 110-749. TEL +82-2-2072-2656, FAX +82-2-764-3514, kum6139@snu.ac.kr

Equal contributor:

#These authors contributed equally to the work presented here.

Received 3 March 2009       Revised 8 March 2009       Accepted 10 March 2009

Copyright © 2009 The Korean Academy of Conservative Dentistry

(open-access):

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

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 (ΔE*, 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 (ΔE) 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.

Keywords: Clinical study, Polymer-based whitening agent, Safety, Shade improvement, Shadepilot™

Figures and Tables

Table 1
Color measurement value calculated by Shadepilot™ and their statistical results
jkacd-34-154-i001

SD: standard deviation, M: mean difference

*means p < 0.05 for independent t-test.

Table 2
Calculated value of Shadepilot™ in Maxillary anterior teeth: color changes and their statistical results.
jkacd-34-154-i002

SD: standard deviation, M: mean difference

*means p < 0.05 for independent t-test.

Table 3
Calculated value of Shadepilot™ in Mandibular teeth: color changes and their statistical results.
jkacd-34-154-i003

SD: standard deviation, D: mean difference

*means p < 0.05 for independent t-test.

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