Effect of combining aminomethacrylate and fluoride against erosive and abrasive challenges on enamel and dentin

IF 1.8 4区 医学 Q2 DENTISTRY, ORAL SURGERY & MEDICINE
Marina Gullo Augusto, Luis Felipe Oliveira da Silva, Giovanna Lotto, Tamires Maria de Andrade Santos, Idalina Vieira Aoki, Carlos Rocha Gomes Torres, Tais Scaramucci, Alessandra Bühler Borges
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Abstract

This study evaluated the effect of solutions containing aminomethacrylate copolymer (AA) and sodium fluoride (F; 225 ppm F) or fluoride plus stannous chloride (FSn; 225 ppm F, 800 ppm Sn2+) against enamel and dentin erosion/abrasion. Solutions F, FSn, AA, F+AA, FSn+AA, and deionized water as negative control were tested. Bovine enamel and dentin specimens (n = 13/solution/substrate) underwent a set of erosion-abrasion cycles (0.3% citric acid [5 min, 4×/day], human saliva [1 h, 4×/day], brushing [15 s, 2×/day], and treatments [2 min, 2×/day]) for each of five days. Initial enamel erosion was evaluated using Knoop microhardness after the first and second acid challenge on day 1, and surface loss with profilometry after day 5. KOH-soluble fluoride was assessed. Data were analyzed with ANOVA/Tukey tests. The combination of fluoride and AA resulted in higher protection against enamel erosion, whereas this was not the case for the combination of AA and FSn. All treatments protected against enamel and dentin loss. The lowest surface loss values were observed with F+AA and FSn+AA. The polymer did not significantly influence the KOH-soluble fluoride formation on enamel/dentin specimens. The aminomethacrylate copolymer effectively enhanced the efficacy of sodium fluoride against initial erosion and improved the control of enamel and dentin wear of F and FSn solutions.

结合使用氨基甲基丙烯酸酯和氟化物对珐琅质和牙本质的腐蚀性和磨蚀性挑战的影响。
本研究评估了含有氨基甲基丙烯酸酯共聚物(AA)和氟化钠(F;225 ppm F-)或氟加氯化亚锡(FSn;225 ppm F-,800 ppm Sn2+)的溶液对牙釉质和牙本质侵蚀/磨损的影响。对溶液 F、FSn、AA、F+AA、FSn+AA 和作为阴性对照的去离子水进行了测试。牛珐琅质和牙本质样本(n = 13/溶液/基质)在五天内分别经历了一组侵蚀-磨损循环(0.3% 柠檬酸[5 分钟,4×/天]、人类唾液[1 小时,4×/天]、刷牙[15 秒,2×/天]和处理[2 分钟,2×/天])。在第 1 天的第一次和第二次酸挑战后,使用努氏显微硬度计对初始釉质侵蚀进行评估,在第 5 天后使用轮廓仪对表面损失进行评估。还对 KOH 溶性氟化物进行了评估。数据采用方差分析/Tukey 检验进行分析。氟化物和 AA 的组合能更有效地防止釉质侵蚀,而 AA 和 FSn 的组合则不然。所有处理方法都能防止珐琅质和牙本质流失。F+AA 和 FSn+AA 的表面损失值最低。聚合物对珐琅质/牙本质试样上 KOH 溶性氟化物的形成没有明显影响。氨基甲基丙烯酸酯共聚物有效增强了氟化钠对初始侵蚀的功效,并改善了 F 和 FSn 溶液对牙釉质和牙本质磨损的控制。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
European Journal of Oral Sciences
European Journal of Oral Sciences 医学-牙科与口腔外科
CiteScore
3.50
自引率
5.30%
发文量
61
审稿时长
2 months
期刊介绍: The European Journal of Oral Sciences is an international journal which publishes original research papers within clinical dentistry, on all basic science aspects of structure, chemistry, developmental biology, physiology and pathology of relevant tissues, as well as on microbiology, biomaterials and the behavioural sciences as they relate to dentistry. In general, analytical studies are preferred to descriptive ones. Reviews, Short Communications and Letters to the Editor will also be considered for publication. The journal is published bimonthly.
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