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KMID : 1020220210210020099
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Journal of Korean Society of Dental Hygiene
2021 Volume.21 No. 2 p.99 ~ p.107
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Evaluation of abrasion for non-abrasive denture cleanse
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Lee Sang-Min
Min Ji-Hyun
Choi Jong-Hoon
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Abstract
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Objectives: To compare and evaluate the degree of abrasion of the denture base resin according to the type of denture cleansers.
Methods: Denture base resin specimens were prepared and dried.
The resin specimens were installed in the automatic brushing machine so that the toothbrush weighed 200 g. The brushing was performed 1,000 times each, a total of 10,000 times using (1) distilled water (DW), (2) non-abrasive cleanser (NAC), and (3) toothpaste (TP), respectively. Thirty specimens were allocated for each group. The thickness of abrasion by brushing was calculated by converting the weight of the specimen.
Results: In all DW, NAC, and TP groups, significant differences were found in the average amount of abrasion of the resin specimen due to 1,000 to 10,000 brushings (p<0.001). The average abrasion amount of the resin specimen due to brushing 10,000 times was 2.31±1.20 μm in DW group, 2.52±0.25 μm in NAC group, 6.50±0.60 μm in TP group, and the amount of abrasion in the TP group was statistically significant compared to other groups (p<0.001).
Conclusions: The use of TP is not recommended as a method for maintaining the longevity of dentures and for oral health, and NAC was considered to be possible to be used as a denture cleanser because it had a similar amount of abrasion of that of DW.
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KEYWORD
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Aged, Denture cleanser, Non-abrasive, Toothbrush abrasion
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