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논문 기본 정보

자료유형
학술저널
저자정보
Min Jeong Cho (Research Institute Clinical Dentistry Praha Dental Clinic Busan Korea)
저널정보
대한예방치과학회 International Journal of Clinical Preventive Dentistry International Journal of Clinical Preventive Dentistry Vol.16 No.4
발행연도
2020.1
수록면
192 - 199 (8page)

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초록· 키워드

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Objective: The aim of this in vitro study was to evaluate the tooth whitening, stain inhibiting, and stain removing abilities of toothpaste containing hydrated silica and sodium hexametaphosphate (SHMP). Methods: The tooth whitening ability of the toothpaste was evaluated by comparing the initial L, a, and b color values of a hydroxyapatite (HAP) specimen with the color change (E) of the specimen after toothpaste was applied in a brushing machine. The tooth stain inhibiting ability of the toothpaste was assessed after treating the HAP specimen with 25% toothpaste slurry, washing it in water, and then treating it with coffee, tea or wine. For these three staining techniques, the tooth stain removing ability of the toothpaste was evaluated by the relative ratio of staining according to L, a, and b values compared with a water-treated control group. Results: First, in comparison with the control group, about 7.1 times higher whitening effects were identified in experimental group 2 (18.03±0.96) containing SHMP (p<0.05). Second, for coffee, tea, and wine, which are the staining component of the teeth, the experimental group 2 showed a higher staining inhibitory ability of 5.5 times, 8.0 times and 8.9 times, respectively, compared to the control group, and in the evaluation of the ability to inhibits the adhesion of the staining substance, they also showed high adhesion inhibits ability of 83.3%, 90.2%, and 89.0%, respectively (p<0.05). Conclusion: Toothpaste containing hydrated silica and SHMP exhibited excellent tooth stain inhibition and removal in vitro; therefore, it could potentially be used as whitening toothpaste.

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