불화석과,불화나트륨의 혼합 적용이 법랑질의 내산성에 미치는 영향에 관한 생체의 연구
Effect of Combined Appllcation of Stannous Fluoride and sodium Fluoride on Enamel Solubility to Acid in vitro
이광희,
소속 상세정보
이광희 ( Lee Kwang-Hee ) - 원광대학교 치과대학 예방치과학교실
KMID : 0355419930170020313
Abstract
The purpose of this study was to observe the effect of combined application of stannous fluoride and sodium fluoride on enamel solubility to acid in vitro. Enamel specimens were cut from the extracted teeth and embedded in resin blocks. The
surface of enamel was polished and then the surface microhardness was measured. Specimens were divided into six groups according to fluoride treatment regimen as follows: Group 1-2% sodium fluoride for 4 minutes, Group 2-8% stannous fluoride for 4 minutes, Group 3-2% sodium fluoride for 2 minutes and then 8% stannous tluoride for 2 minutes, Group 4-8% stannous fluoride for 2 minutes and then 2% ?odium fluoride for 2 minutes, Group 5-mixed solution for 4 minutes. Group 6-no treatment. After the fluoride treatment, the specimens were demineralized by lactic acid for six hours, and then surface microhardness was measured again.
The effect of fluoride regimen on enamel solubility reduction was highest in Group 3, and lowest I Groups 1 and 6. Groups 2,4 and 5 showed similar results. Therefore, it seemed that application of 2% sodium fluoride and 8% stannous fluoride in
sequence was the most effective method among the combined application methods of starinous fluoride and sodium fluoride and this method was significantly more effective than single application of 2% sodium fluoride for 4minutes.
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원문 및 링크아웃 정보
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