impression compound


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mod·el·ing plas·tic

a thermoplastic material usually composed of gum damar and prepared chalk, used especially for making dental impressions.

impression compound

A nonelastic molding used in dentistry to make imprints of teeth and other oral tissues. Impression compound is a thermoplastic material, i.e., it softens when heated and solidifies without chemical change when cooled.
See also: compound

mod·el·ing plas·tic

(modĕl-ing plastik)
Thermoplastic material usually composed of gum damar and prepared chalk, used especially for making dental impressions.
Synonym(s): impression compound.