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首页> 外文期刊>Caries research >In vitro Fluoride Uptake by Enamel from Different Amine Fluoride Concentrations.
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In vitro Fluoride Uptake by Enamel from Different Amine Fluoride Concentrations.

机译：牙釉质从不同浓度的氟化胺中吸收氟化物的情况。

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The aim of this in vitro study was to examine whether the concentration of amine fluoride solution influences the uptake of fluoride by enamel after topical treatment. Four slabs were prepared from each of 31 impacted third molars and selected at random so that one slab from each tooth was present in each group. One group of slabs served as an untreated control (D). The slabs of the other three groups were shaken for 3 min in an amine fluoride solution on 3 successive days: group A (1% F), group B (0.5% F) and group C (0.25% F). The amounts of KOH-soluble fluoride produced with 1 and 0.5% amine fluoride solution did not differ significantly and were superior to 0.25% amine fluoride solution. A statistically significant increase in structurally bound fluoride was observed in groups A, B and C compared with control group D. The difference in the amounts of structurally bound fluoride was significant only between 1 and 0.25% F concentrations. These data suggest that the fluoride content in an amine fluoride solution (1%) can be decreased by half without reducing its ability to form alkali-soluble or structurally bound fluoride. The results of this study are consistent with those of previous clinical studies.
机译：这项体外研究的目的是检查局部处理后，胺氟化物溶液的浓度是否影响釉质对氟化物的吸收。从31个受影响的第三磨牙中分别制备四块平板，然后随机选择，以便每组中每颗牙齿都有一块平板。一组平板用作未处理的对照（D）。将其他三组的平板连续三天在氟化胺溶液中摇动3分钟：A组（1％F），B组（0.5％F）和C组（0.25％F）。用1％和0.5％氟化胺溶液产生的KOH可溶性氟化物的量没有显着差异，并且优于0.25％氟化胺溶液。与对照组D相比，在A，B和C组中观察到在结构上结合的氟化物有统计学上的显着增加。仅在1至0.25％F浓度之间，在结构上结合的氟化物的量差异显着。这些数据表明，可以将胺氟化物溶液中的氟化物含量（1％）降低一半，而不会降低其形成碱溶性或结构结合的氟化物的能力。这项研究的结果与以前的临床研究一致。

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