modeling plastic

mod·el·ing plas·tic

a thermoplastic material usually composed of gum damar and prepared chalk, used especially for making dental impressions. Synonym(s): impression compound, modeling composition, modeling 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.