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首页> 外文期刊>Biomaterials >Effect of maturation on the fluoride release of resin-modified glass ionomer and polyacid-modified composite resin cements
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Effect of maturation on the fluoride release of resin-modified glass ionomer and polyacid-modified composite resin cements

机译：成熟度对树脂改性玻璃离聚物和多元酸改性复合树脂水泥中氟释放的影响

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摘要

The effect of an early water contact on the fluoride release is studied for the resin-modified glass ionomer cements (RM-GIC) GC Lining LC, PhotacBond, Vitremer and Vitrebond and for the polyacid-modified composite resins (PAM-C) Variglass and Dyract. Six months fluoride release profiles were determined in regularly renewed water (37 degrees C), for the products directly after light curing and after 24 h maturation in a humid atmosphere (85% RH). ANOVA shows that both the short-term and the long-term fluoride release of a RM-GIC are influenced by this maturation. This indicates that direct water contact for this material should be avoided. For the RM-GIC a correlation is found between the initial fluoride release process and the long-term process. For the PAM-C materials, no differences in the fluoride release are found as a function of maturation, indicating that early water contact has no effect. The amounts of fluoride released by PAM-C are low compared to RM-GIC, which can affect their caries preventive potential. The results are explained on the basis of the setting reaction of both types of materials. (C) 2000 Elsevier Science Ltd. All rights reserved. [References: 30]
机译：对于树脂改性的玻璃离聚物水泥（RM-GIC）GC衬里LC，PhotacBond，Vitremer和Vitrebond以及多元酸改性的复合树脂（PAM-C）Variglass和呼吸困难。直接在光固化后和在潮湿的环境（85％RH）中熟化24小时后，在定期更新的水中（37摄氏度）确定六个月的氟化物释放曲线。方差分析表明，RM-GIC的短期和长期氟化物释放均受此成熟度的影响。这表明应避免该材料直接与水接触。对于RM-GIC，发现初始氟化物释放过程与长期过程之间存在相关性。对于PAM-C材料，未发现氟化物释放随成熟度的变化，表明与水的早期接触没有影响。与RM-GIC相比，PAM-C释放的氟化物含量低，这可能会影响其预防龋齿的潜力。根据两种材料的凝固反应来解释结果。 （C）2000 Elsevier ScienceLtd。保留所有权利。 [参考：30]

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