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本文报告了裂沟封闭剂体内磨耗30月.其磨损体积、深度、表面积三个参数的变化情况。材料和方法选择临床常规涂布封闭剂(Con-cise,White Sealant,3M Dental Products Div,Stpaul,MN,USA)的18只前磨牙,涂布前用藻酸盐清洁剂材料取初步印模,接着用聚乙烯硅乙烷(Express,3M Dental Products,Div Stpaul,MN,USA)取得“基线印模”。涂布后6月、30月重新取印模。所有印模用下列方式处理:中性肥皂水冲洗后,浸泡于自来水中,洗净后用聚乙烯硅乙烷包埋。接着用环氧树脂(Epoxy-Die,Ivoclar,Schann,Li-
In this paper, we report the wear of fissure sealant in the body for 30 months, and the change of wear volume, depth and surface area. Materials and Methods 18 premolar teeth of a clinically conventional coating blocker (Con-cise, White Sealant, 3M Dental Products Div, Stpaul, MN, USA) were selected and pre-coated with alginate detergent material for a preliminary impression, The “Baseline Stamp” was then obtained with Polyvinyl Silanes (Express, 3M Dental Products, Div Stapul, MN, USA). After coating June, 30 to re-take the mold. All impressions are treated in the following manner: After neutral soapy water rinse, soak in tap water, wash, and embed polyethylene vinyl chloride. Epoxy-Die (Ivoclar, Schann, Li-