불화물 순차적용이 법랑질의 재석회화 및 내산성에 미치는 영향에 관한 연구
A study on the effect of sequential application of Fluoride on enamel remineralization and enamel solubility to acid
조민정,
소속 상세정보
조민정 ( ) - 광주보건대학 치위생과
KMID : 0355420020260010001
Abstract
This study was carried out to investigate the effect of two step sequential application of fluoride on the dental caries and to develop anticarious ability of fluoride. The microhardness changes of enamel surface and enamel solubility were measured after application of fluoride on 6 groups of bovine teeth sample on which the artifical carious lesions were formed first. Test groups were classified into two step sequential application with NaF, SnF2 and APF under different application time conditions(group I , II, m, iv) and single application with APF(group V) and control(group VI).
The obtained results were as follows.
1. With regard to microhardness change of enamel surface, microhardness increments in group ( I (NaF for 1 minute + APF for 3 minutes), II (SnF2 for 1 minute + APF for 3 minutes)] were found to be greater than those of group (III (SnF2 for 2 minutes +APF for 2 minutes), IV (NaF for 2 minutes + APF for 2 minutes), V (APF for 4 minutes)) and group VI (negative control) (P (0.05).
2. With regard to enamel solubility, higher resistance to acid was detected in sequential application groups( I , II , III, N) compared with single application group V, but there was no significant
difference between sequential application and single application.
As concluded from above results little difference was found between sequential application and single application in association with enamel solubility, but generally sequential application showed a greater effect than single application in terms of microhardness of enamel surface.
키워드
내산성;불화나트륨;불화석;산성불화인산염;순차적용;재광화;acidulated phosphate fluoride;enamel solubility;sodium fluoride;remineralization;tin fluoride
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