cavity varnish

cavity varnish
(in dentistry) a solution of natural or synthetic resin in an organic solvent. It is used as a sealer for amalgam fillings or as a coating over newly inserted cement fillings.

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a cavity lining agent consisting of a solution of one or more natural or synthetic resins, gums, and rosin in an organic solvent such as chloroform, ethanol, acetone, or benzene; applied to the floor and walls of the prepared cavity.

Medical dictionary. 2011.

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