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ISSN: 2332-0702

Journal of Oral Hygiene & Health
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Research Article

Effects of Ultrasound and Sonic Toothbrushes on Oral Hygiene Status

Akane Takenouchi*, Takashi Matsukubo, Miwa Sakurai Matsukubo, Yukiko Satoho, Hiroe Arai, Etsuyo Otani and Yumiko Kakegawa

Taiyo Schoold of Dental Hygiene Arakawa-ku, Tokyo, Japan

*Corresponding Author:

Akane Takenouchi
BOH, RDH, Taiyo School of Dental Hygiene
116-0013 Tokyo, Arakawa-ku, Nishi-Nippori 2-22-1
Station Plaza Tower 6F, Japan
Tel: (+81)03-5810-8020
Fax: (+81)03-5810-8023
E-mail: [email protected]

Received Date: October 06, 2016 Accepted Date: November 10, 2016 Published Date: November 17, 2016

Citation: Takenouchi A, Matsukubo T, Matsukubo MS, Satoho Y, Arai H, et al. (2016) Effects of Ultrasound and Sonic Toothbrushes on Oral Hygiene Status. J Oral Hyg Health 4: 208. doi:10.4172/2332-0702.1000208

Copyright: © 2016 Takenouchi A, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

Objective: To evaluate the effects of ultrasound and sonic toothbrushes on the oral hygiene status of healthy people.

Methods: This study was administered with a randomized, controlled, and double-blind trial. Twenty-nine firstyear dental hygiene students answered a questionnaire on oral hygiene behavior, and they were divided into one of four groups after pre-examination. Each group used an electronic toothbrush with different modes (2 times/day, 3 min) after tooth brushing instruction (TBI) for four weeks; A (control): used with power off; B: used with the sonic mode (sonic wave: 16,000 strokes/min); C: used with the ultrasound mode (ultrasound frequency: 1.6 MHz); D: used with the ultrasound + sonic mode. The plaque index (PlI) and gingival index (GI) were assessed. The unstimulated saliva flow rate was measured (spitting method, 1 min). The Ethical Committee of the Japan Dental Hygienists’ Association approved this study’s protocol (vote number: 2). A Wilcoxon signed-rank test was used.

Results: The PlI decreased in group C (baseline: 1.42 ± 0.83; 4 weeks: 0.92 ± 0.34; p<0.05) and D (baseline: 1.41 ± 0.3; 4 weeks: 0.92 ± 0.3; p<0.01). The unstimulated saliva flow rate of group C and D, which used electronic toothbrushes with ultrasound, increased significantly (baseline: 0.57 ± 0.33 mg; 4 weeks: 0.78 ± 0.5 mg; p<0.05). The GI did not change in all groups. Participants who had received TBI before this study had an increased unstimulated saliva flow rate (baseline: 0.65 ± 0.35 mg; 4 weeks: 0.87 ± 0.5 mg; p<0.05).

Conclusion: The use of electronic toothbrushes with ultrasound for four weeks effectively decreased the PlI and increased the unstimulated saliva flow rate. Professional prophylaxis was required to improve gingival status. TBI enabled participants to use electronic toothbrushes more effectively to stimulate the salivary gland and to increase the unstimulated saliva flow rate.

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