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在唾液素类物质防龋涂刺实验研究的基础上，改进唾液素类物质Ｎ￣α，Ｎ￣Ｇ—二月桂酰精氨酸（ＳＬ）的含成方法。同时改用一种天然树胶山达脂为基质，配制成新型ＳＬ—山达脂防龋涂料，观察其体外抑制细菌产酸的能力。结果表明，新方法获得了纯度及产率均较高的ＳＬ物质。ＳＬ山达脂防龋涂料可以抑制ＰＨ下降，阻止离体牙釉质表面发生早期龋样损害。
Based on the experimental study of sialicides against dental caries, the method of containing sialic acid N, α-N-D-lauroyl arginine (SL) was improved. At the same time use a natural gum Sarda lipid as a matrix, formulated into a new type of anti-caries SL-Suda paints, observed in vitro inhibition of bacterial acid production capacity. The results showed that the new method to obtain a higher purity and yield SL material. SL Sardar anti-caries coatings can inhibit the PH decreased to prevent the occurrence of early enamel surface incipient caries-like lesions.