브라켓 부착시 실런트 레진이 법랑질 탈회에 미치는 영향
The Effects of a Sealant Resin on Enamel Demineralization in Orthodontic Bracket Bonding
구강과학- 전남대학교 2002년 14권 1호 p.53 ~ 61
윤영아, 서은표, 이화성, 양규호,
소속 상세정보
윤영아 ( ) - 인하대학교 의과대학 치과학교실
서은표 ( ) - 전남대학교 치의학연구소, 치과대학
이화성 ( ) - 전남대학교 치의학연구소, 치과대학
양규호 ( ) - 전남대학교 치의학연구소, 치과대학
KMID : 0988420020140010053
Abstract
The purpose of this study was to evaluate the effects of a sealant resin on enamel demineralization in orthodontic bracket bonding.
The forty eight extracted sound bovine teeth was subdivided into four groups and treated with Phase Ⅱ^(r) on the surface. Group 1 was not treated, Group 2 was acid etched with 37% phosphoric acid for 30 seconds, Group 3 was sealant applied after acid etching and Group 4 was resin paste applied after acid etching and sealant application. Each group was demineralized in artificial caries solution.
Demineralized enamel depth was measured using by confocal laser scanning microscopy.
The results were as follows.
1. The mean demineralized enamel depth was Group 1 (47.4㎛), Group 2 (61.8㎛), Group 3 (13.9㎛), Group 4 (8.2㎛).
2. The demineralized enamel depth was increased in Group 2 than Group 1 (p<0.05).
3. The demineralized enamel depth was reduced in Group 3 than Group1 and Group 2 with statistically significant differences (p<0.05).
4. Group 4 was very little demineralized.
The results of the present study indicate that sealant application is useful for reducting enamel demineralization in orthodontic bracket bonding.
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