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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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Objectives : The purpose of this investigation was to evaluate the remineralization and acid resistance in fluoride varnish by Micro-computed tomography (micro CT).
Methods : Specimens of bovine teeth enamel were embedded in resin, polished and randomly divided into 3 groups (a control group, a NaF solution group, a fluoride varnish group). Each group has 3 specimens that was standardized according to Vickers hardness number (VHN). Specimens were immersed in demineralization solution for 72 hours. The control group had no treatment, the NaF solution group was treated by a 5% NaF solution for 4 minutes, and the fluoride varnish group was treated by a fluoride varnish for one hour. All specimens were subjected to a chemical pH cycling method for 14 days. After a chemical pH cycling method, the density were measured using micro CT. Then, specimens were immersed in each demineralization solution for 72 hours. After demineralization processed, the density were measured using micro CT.
Results： 1. The density was significantly higher in the fluoride varnish and 5% NaF solution group than that of the control group after 14 days cycling (p<0.05). And the density value of the fluoride varnish group was higher than that of the 5% NaF solution, with no significant difference. 2. The differences of density after acid resistance treatment were statistically significant among 3 groups(p<0.05).
Conclusion : It is suggested that fluoride varnish showed the remineralizing effect and acid resistance effect on the enamel, and micro CT could be used to evaluate the change of enamel lesion.
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참고문헌 (27)
참고문헌 신청
[학술지(정기간행물)] -
Adriaens ML / 1990 / The use of Fluor Protector, a fluoride varnish, as a caries prevention method under orthodontic molar bands / Eur J Orthod 12 (3) : 316 ~ 319
Arends J / 1984 / Effects of various fluorides on enamel structure and chemistry: cariology today / Karger : 245 ~ 258
Bawden JW / 1998 / Fluoride varnish a useful new tool for public health dentistry / J Public Health Dent 58 (4) : 266 ~ 269
Bergmans L / 2001 / A methodology for quantitative evaluation of root canal instrumentation using microcomputed tomography / Int Endod J 34 (5) : 390 ~ 398
Adriaens ML / 1990 / The use of Fluor Protector, a fluoride varnish, as a caries prevention method under orthodontic molar bands / Eur J Orthod 12 (3) : 316 ~ 319
Arends J / 1984 / Effects of various fluorides on enamel structure and chemistry: cariology today / Karger : 245 ~ 258
Bawden JW / 1998 / Fluoride varnish a useful new tool for public health dentistry / J Public Health Dent 58 (4) : 266 ~ 269
Bergmans L / 2001 / A methodology for quantitative evaluation of root canal instrumentation using microcomputed tomography / Int Endod J 34 (5) : 390 ~ 398
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