시판 불소도포제제들의 법랑질 내산성 증진효과
A comparison of the effectiveness of three different fluoride regimens in increasing the acid resistance of enamel
이영은, 김종화, 송근배, 최연희, 백혜진, 정성화, 김혜영,
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이영은 ( Lee Young-Eun ) - 경북대학교 치의학전문대학원 예방치과학교실
김종화 ( Kim Jong-Hwa ) - 한국기초과학지원연구원 대구센터
송근배 ( Song Keun-Bae ) - 경북대학교 치의학전문대학원 예방치과학교실
최연희 ( Choi Youn-Hee ) - 경북대학교 치의학전문대학원 예방치과학교실
백혜진 ( Baek Hye-Jin ) - 경북대학교 치의학전문대학원 예방치과학교실
정성화 ( Jeong Seong-Hwa ) - 대구한의대학교 보건학부
김혜영 ( Kim Hye-Young ) - 동의대학교 자연과학대학 치위생학과
KMID : 0355420090330010019
Abstract
Objective: The effectiveness of topical fluoride as a cariostatic agent is well established. Although professional topical fluoride is used to arrest active caries lesions, there has been no comparison of the topical fluoride regimens on the acid resistance of enamel. This study compared the effect of acid resistance of enamel after fluoride application using three different fluoride regimens.
Methods: Forty-eight bovine teeth, 3 ㎜ in diameter and 3 ㎜ in depth, were demineralized. The following test groups of 12 specimens each were considered; (1) non-treated(control)(n=12); (2) Iontophoresis using 2% sodium fluoride solution(F-iontophoresis)(n=12); (3)1.23% acidulated phosphate fluoride gel(F-gel)(n=12); (4) 5% sodium fluoride containing varnish(F-varnish)(n=12). After the treatment, the specimens were mounted into the removable acrylic mandibular appliance. Six volunteers wore the appliance in their mouth more than twelve hours a day for four weeks. Fluoride electrode, inductively coupled plasma atomic emission spectroscopy(ICP-AES), electron probe microanalyze(EPMA) were used to analyze the increasing effectiveness of acid resistance.
Results: In F-gel group, there was a higher level of KOH-soluble fluoride, which appeared as a calcium fluoride-like layer, than the control. This also effectively contributed to increasing structurally bound fluoride. In addition, EPMA analysis indicated that calcium and phosphorous remarkedly deposited until the depth of 100 ㎛ in the F-gel group. ICP-AES analysis demonstrated that the F-gel group had the lowest etching depth and weight, and a lower level of calcium and phosphorous ion dissolution after acid treatment.
Conclusion: The F-gel had most beneficial increasing effect on the acid resistance of enamel over the other
키워드
내산성;법랑질;불소도포제제
acid resistance;enamel;topical fluoride regimens
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