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Effects of an electric toothbrush combined with 3-color light-emitting diodes on antiplaque and bleeding control: a randomized controlled study

Journal of Periodontal & Implant Science 2020년 50권 4호 p.251 ~ 259
권차경, 이재목, 서조영, Seo Seung-Jun, 이영균, 김용건,
소속 상세정보
권차경 ( Kwon Cha-Kyoung ) - Kyungpook National University School of Dentistry Department of Periodontology
이재목 ( Lee Jae-Mok ) - Kyungpook National University School of Dentistry Department of Periodontology
서조영 ( Suh Jo-Young ) - Kyungpook National University School of Dentistry Department of Periodontology
 ( Seo Seung-Jun ) - Kyungpook National University School of Dentistry Department of Periodontology
이영균 ( Lee Young-Kyun ) - Kyungpook National University School of Dentistry Department of Biochemistry
김용건 ( Kim Yong-Gun ) - Kyungpook National University School of Dentistry Department of Periodontology

Abstract


Purpose: This randomized controlled study aimed to evaluate the effects of an electric toothbrush with 3 colors of light-emitting diodes (LEDs) on antiplaque and bleeding control.

Methods: This randomized, placebo-controlled, double-blinded, parallel-group clinical trial included 50 healthy adults with gingivitis, who were randomly assigned to 2 groups. The experimental group used electric toothbrushes with 3 colors of LEDs and the control group used the same electric toothbrush as the experimental group, but with LED sources with one-hundredth of the strength. The subjects used the electric toothbrush 3 times a day for 4 minutes each time. As clinical indices, bleeding on marginal probing (BOMP), the Loe-Silness gingival index (GI), and the Turesky-Quigley-Hein plaque index (QHI) were assessed at baseline, at 3 weeks, and at 6 weeks.

Results: There were significant decreases in all clinical indices (BOMP, GI, QHI) in both the experimental and control groups compared to baseline at 3 weeks and at 6 weeks. In a comparison between the experimental and control groups, no statistically significant differences were observed for any clinical indices at 3 weeks (P>0.05). However, at 6 weeks, statistically significant differences were observed between the experimental and control groups in BOMP and GI, which are indicators of gingival inflammation (P<0.05).

Conclusions: This study demonstrated that an electric toothbrush combined with 3-color LEDs reduced gingival bleeding and inflammation after 6 weeks.

키워드

Biofilm; Dental plaque; Gingivitis; Toothbrushing

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