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KMID : 1023420130130020151
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Journal of Dental Hygiene Science
2013 Volume.13 No. 2 p.151 ~ p.157
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Evaluation of Toothbrush Bristles’ Wear Index and Wear Rate Used by Preschool Children
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Kim Sun-Ju
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Abstract
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The purpose of this study was to examine the toothbrush bristles` wear index and wear rate used by preschool children to provide information on the establishment of criteria for toothbrush replacement cycle for preschool children. One thousand twenty-two toothbrushes were collected from September 20 to November 16, 2012 was analyzed. The findings of the study were as follows: 1. As a result of analyzing the toothbrush wear index, 48.5% of the collected toothbrushes was above 0.400, and the average wear index was 0.421±0.239. 2. As a result of analyzing the wear rate of the toothbrushes, score 2 and 3 accounted for 70.4%, and the average wear rate stood at 1.936±0.848. 3. As a result of analyzing the state of toothbrush management, the most common average toothbrush replacement cycle was one or two months (63.9%). Concerning the method of toothbrush replacement, the largest group (52.7%) replied they changed toothbrushes based on the abrasivity of toothbrush bristles, and 16.7 percent did that at the request of parents. Given the above-mentioned findings of the study, preschool teachers and parents should be educated to ensure the successful management of preschool children toothbrushes. In addition, it`s required to set evident criteria for the right toothbrush replacement cycle for preschool children, and how to provide oral health education in an efficient way should be considered as well.
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KEYWORD
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Preschool children, Toothbrush, Wear index, Wear rate
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