Effect of a Bioactive Glass Ceramic on the Control of Enamel and Dentin Erosion Lesions
Effect of a Bioactive Glass Ceramic on the Control of Enamel and Dentin Erosion Lesions
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DOI：
10.1590/0103-6440201601524
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发表时间：
2017-08-01
影响因子：
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通讯作者：
Pires-de-Souza, Fernanda de Carvalho Panzeri
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文献类型：
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作者：
Chinelatti, Michelle Alexandra;Tirapelli, Camila;Pires-de-Souza, Fernanda de Carvalho Panzeri
本研究评价了生物活性玻璃陶瓷对控制侵蚀和龋齿病变的作用。在侵蚀循环期间，牛牙釉质和根牙本质的碎片（n=10）每天接受不同处理（生物硅酸盐;酸化磷酸氟- APF;未处理-对照）。用3D光学轮廓术分析表面，以量化四个时期（1，7，14和21天）的表面损失，以及用共聚焦激光扫描显微镜观察病变深度。对于龋齿进展评估，测量牙釉质牛碎片的初始努普显微硬度。在14天的去矿化周期中，根据每日局部应用（生物硅酸盐; APF;不应用-对照），形成初始龋损，并将样本分为三组（n=10）。通过计算最终显微硬度值，计算出表面显微硬度的变化。使用横截面显微硬度（深度10，30，50，70，90，110和220 m）分析次表面脱矿。使用ANOVA和Tukey检验（α =5%）检验数据。侵蚀性评价结果表明，生物硅酸盐对土壤侵蚀的促进作用最小（p <0.05），
This study evaluated the effect of a bioactive glass ceramic for the control of erosion and caries lesions. Fragments (n=10) of bovine enamel and root dentin received daily application of different treatments (Biosilicate; Acidulated Phosphate Fluoride- APF; Untreated - control) during the performance of erosive cycles. Surfaces were analyzed with 3D optical profilometry to quantify the superficial loss in four periods (1, 7, 14 and 21 days), as well as the lesion depth with confocal laser scanning microscopy. For caries progression assessment, initial Knoop microhardness was measured on enamel bovine fragments. Initial carious lesions were developed and specimens were divided into three groups (n=10), according to the daily topical application (Biosilicate; APF; no application - control), during the de-remineralization cycles for 14 days. Final microhardness was obtained to calculate the change of surface microhardness. Subsurface demineralization was analyzed using cross-sectional microhardness (depths 10, 30, 50, 70, 90, 110 and 220 m). Data were tested using ANOVA and Tukey's test (a=5%). Results of erosive evaluation showed that Biosilicate promoted the lowest (p