| 摘要 |
<p>A film forming composition for coating teeth which is a mixture of about 0.5 % to about 30 % by weight of a film forming polymer; about 10 % to about 99.5 % by weight of solvent; about 0.05 % to about 40 % by weight of a rheology modifier; about 0.01 % to about 5 % by weight of a dispersant or plasticizer, if necessary; and optionally up to about 30 % by weight of an opacifier or colorant.</p> |
