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KMID : 0362420110490010057
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Journal of Korean Academy of Prosthodontics
2011 Volume.49 No. 1 p.57 ~ p.64
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The efficacy of denture cleansing agents: A scanning electron microscopic study
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Yoon Bo-Hyeok
Yun Mi-Jung
Huh Jung-Bo
Jeon You-Jin
Jeon Yun-Kyung
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Abstract
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PURPOSE: The purpose of this study was to compare the cleansing performance of a distilled water, a diluted solution of sodium hypochlorite as a household bleaching cleanser and three alkaline peroxide cleansers in vivo plaque deposits by using scanning electron microscope.
MATERIALS AND METHODS: Five individuals were selected from department of the prosthodontics in Pusan National University Hospital, and each of them was inserted with specimens for plaque accumulation in their temporary dentures for 48 hours. The specimens were removed and cleaned by each cleansing agents for 8 hours. Scanning electron micrographs were made from the specimens at a magnification of ×2,000. A panel of ten persons with a dental or paradental background, but not directly involved in the study, was selected to analyze the photomicrographs to determine which denture cleanser was more effective in removing plaque.
RESULTS: Diluted solution of sodium hypochlorite was the most effective at removing plaque following Polident(R), Cleadent(R), Bonyplus(R) and distilled water in order. But there was no significant difference of cleansing efficacy between diluted solution of sodium hypochlorite and Polident(R), Polident(R) and Cleadent(R), Cleadent(R) and Bonyplus(R), respectively (P > .05). Alkaline peroxide cleansers by themselves cannot adequately remove accumulated plaque deposits, especially if the deposits are heavy. Corrosion could be seen on the surface of non-precious alloy specimens immersed in diluted solution of sodium hypochlorite.
CONCLUSION: It is recommended to use of alkaline peroxide type cleansers with brushing whenever possible, since denture cleanliness is often poor due to the relative inefficiency of these cleansers.
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KEYWORD
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Plaque, Denture cleansing agent, Sodium hypochlorite, Alkaline peroxide, Scanning electron microscope
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