A solution is put on the tooth that makes the surface a little rough. (it is easier for the sealant to stick to a slightly rough surface.)
在牙齿上涂上一层溶液，使得牙齿表面变得一点点粗糙。(保护胶更容易在有点粗糙的表面粘牢)。
Surface paint molecules provide inlaid evenly and slightly rough, organic or inorganic material coating shall contain polar groups charged.
提供镶嵌油漆分子均匀而微粗糙的表面，涂漆层中的有机或无机材料应含有带电荷的极性官能团。
Surface paint molecules provide inlaid evenly and slightly rough, organic or inorganic material coating shall contain polar groups charged.
提供镶嵌油漆分子均匀而微粗糙的表面，涂漆层中的有机或无机材料应含有带电荷的极性官能团。
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