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KMID : 0376319900020010323
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Dental Journal of CNU
1990 Volume.2 No. 1 p.323 ~ p.330
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EFFECTS OF FLUORIDE SOLUTIONS ON SURFACE HARDNESS, LESION DEPTH AND ACID RESISTANCE OF ARTIFICIAL CARIES
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Choi Jung-Soo
Hong Suk-Jin
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Abstract
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A pH-cycling model has been used to examine the effcts of fluoride solutions on remineralization of artificial caries in virto. Fluoride solution was NaF, SMFP, NaF and Ca, SMFP and NaF containing 1,000ppm fluoride, respectively.
Enamel remineralization was evaluated by surface hardness, lesion depth and acid resistance.
A comparative study of the results obtained have led to the following conclusions.
1. Surface hardness of NaF and Ca, SMFP and NaF group was more increased than that of NaF, SMFP group. That of control group was less increased than that of others.
2. Lesion depth of fluoride treated group was from 53.50 to 56.17㎛ and that of control group, 79.83㎛.
3. NaF solution was more effective than other fluoride solution on enhancing acid resistance
4. NaF and Ca, SMFP and NaF group were more effective on increasing surface hardness. However, they were as effective as other fluoride groups on lesion depth, acid resistance.
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KEYWORD
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