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.
References in periodicals archive ?
tissue conditioner2 impression compound soft wax a polymer of dimethyly siloxane filled with calcium silicate silicone and resilient lining materials.
Primary impression of mandibular arch was made for each subject with impression compound (Crystal Impression Compound).
During the survey it was observed that 93% use impression compound while 6% use alginate.
Impression compound is used relatively little these days as other materials are preferred.8 The drawbacks associated with impression compound is that it can be reused due to its thermoplastic nature and since it cannot be sterilized properly it can be a potential health hazard if used repeatedly.
GET THE LOW DOWN This second generation Q7 model's styling theme is evolutionary, although the car seems to sit lower on its springs, almost like a beefed up Audi super-estate than a typical SUV, an impression compounded by the aggressively raked windscreen.
So far, so predictable, an impression compounded by the workaday sound - dirty buzz bass to the fore, and standard ghetto superhero boasting.