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Clinical study of shade improvement and safety of polymer-based pen type BlancTic Forte whitening agent containing 8.3% Carbamide peroxide
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Original Article 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
Journal of Korean Academy of Conservative Dentistry 2009;34(2):154-161.
DOI: https://doi.org/10.5395/JKACD.2009.34.2.154
Published online: March 31, 2009

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
#These authors contributed equally to the work presented here.
• Received: March 3, 2009   • Revised: March 8, 2009   • Accepted: March 10, 2009

Copyright © 2009 The Korean Academy of Conservative Dentistry

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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 (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.
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Table 1
Color measurement value calculated by Shadepilot™ and their statistical results

SD: standard deviation, M: mean difference

*means p < 0.05 for independent t-test.

jkacd-34-154-i001.jpg
Table 2
Calculated value of Shadepilot™ in Maxillary anterior teeth: color changes and their statistical results.

SD: standard deviation, M: mean difference

*means p < 0.05 for independent t-test.

jkacd-34-154-i002.jpg
Table 3
Calculated value of Shadepilot™ in Mandibular teeth: color changes and their statistical results.

SD: standard deviation, D: mean difference

*means p < 0.05 for independent t-test.

jkacd-34-154-i003.jpg

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        Clinical study of shade improvement and safety of polymer-based pen type BlancTic Forte whitening agent containing 8.3% Carbamide peroxide
        J Korean Acad Conserv Dent. 2009;34(2):154-161.   Published online March 31, 2009
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      Clinical study of shade improvement and safety of polymer-based pen type BlancTic Forte whitening agent containing 8.3% Carbamide peroxide
      Clinical study of shade improvement and safety of polymer-based pen type BlancTic Forte whitening agent containing 8.3% Carbamide peroxide

      Color measurement value calculated by Shadepilot™ and their statistical results

      SD: standard deviation, M: mean difference

      *means p < 0.05 for independent t-test.

      Calculated value of Shadepilot™ in Maxillary anterior teeth: color changes and their statistical results.

      SD: standard deviation, M: mean difference

      *means p < 0.05 for independent t-test.

      Calculated value of Shadepilot™ in Mandibular teeth: color changes and their statistical results.

      SD: standard deviation, D: mean difference

      *means p < 0.05 for independent t-test.

      Table 1 Color measurement value calculated by Shadepilot™ and their statistical results

      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.

      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.

      SD: standard deviation, D: mean difference

      *means p < 0.05 for independent t-test.


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