The Comparison between the Powered and Manual Toothbrushes on the Effect of the Oral Hygiene for Elders
碩士 === 大同大學 === 工業設計學系(所) === 98 === This study is to design a powered toothbrush which suits the elders. There are three parts including “Subjective comparison of the cleansing efficiency”, “Powered toothbrushes demands” and “The comparison between the research powered and manual toothbrushes”. In...
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| Format: | Others |
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2010
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| Online Access: | http://ndltd.ncl.edu.tw/handle/63261867604010040906 |