The Effect of Oral Hygiene with Water-spray-type Oral Washing Unit and Aqua Oxidizing Water on Experimental Gingivitis.

DOI 2 Citations 27 References
  • EZURE MASATAKA
    Department of Periodontology, School of Dentistry at Tokyo, The Nippon Dental University
  • KAMOI HISAHIRO
    Department of Periodontology, School of Dentistry at Tokyo, The Nippon Dental University
  • OSANAI ASAKO
    Department of Periodontology, School of Dentistry at Tokyo, The Nippon Dental University
  • INADA MASAKI
    Department of Periodontology, School of Dentistry at Tokyo, The Nippon Dental University
  • OGAWA TOMOHISA
    Department of Periodontology, School of Dentistry at Tokyo, The Nippon Dental University
  • SATO SOH
    Department of Periodontology, School of Dentistry at Tokyo, The Nippon Dental University
  • KAMOI KYUICHI
    Department of Periodontology, School of Dentistry at Tokyo, The Nippon Dental University

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Other Title
  • 実験的歯肉炎における水流式口腔内洗浄器の応用とアクア酸化水の清掃効果

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The most important factor in the prevention and treatment of periodontal disease is removal of dental plaque, the main factor in development of gingivitis. Methods for removing plaque consist of both mechanical method (for example, tooth brushing) and chemical method (such as the use of oral washing agents), and each has its own characteristic effect.<BR>In this study, a water-spray-type oral washing unit, having features of both methods, was used. The subjects were asked to stop brushing and use the water-spray-type oral washing unit after obtaining the consent of participants, and plaque-controlling, gingivitis-preventing, and halitosis-preventing actions of this unit were assessed. As an oral washing agent, aqua oxidizing water, for which a variety of applications have been recognized in recent years in the dental field, was used. The subjects were 15 males with clinically healthy gingiva, and they were divided into a control group (discontinuation of all oral cleaning ; n=5), a negative control group (oral washing with sterile distilled water ; n=5) and a test group (oral washing with aqua oxidizing water ; n=5) . At the start of study the use of toothbrushes and other cleaning devices were prohibited, to allow experimental gingivitis to develop. The subjects were instructed to use a waterspray-type oral cleaning unit (EW175-H) as their oral cleaning device three times a day, 30 seconds each time. As evalution items, the plaque index (P1I), the gingival index (GI), and gingival crevicular fluid (GCF volume) were measured and bacteriological detections and halitosis determination were performed 0, 1, and 2 weeks after the start of this study. The results for the time course of changes in P1I showed significant reduction in the negative control group and test group in comparision with the controls (p<0.05, p<0.01) . The time coures of changes in GCF volume showed significant changes compared to the negative control group and the test group (p<0.05, p<0.01) . Based on the results above, a plaque-controlling effect due to the use of the EW175-H was re-congnized, and an effect on bacterial flora due to use of aqua oxidizing water as the oral washing agent was observed, suggesting that the EW175-H, which is a combination of a mechanical method and a chemical method, is useful in exerting a plaque-controlling effect and a gingivitis-preventing effect.

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