Another officer was stirring liquid dental stone in a plastic bucket.

The officer stirring dental stone met my eyes.

If the liquid dental stone wasn't cool enough and the snow wasn't frozen hard enough, one ended up melting the evidence.

By the time several layers of wax had been applied to the shoe prints, the dental stone would be cool enough to pour and make casts.

'Hey, Mossberg, you ready with the dental stone?'

As a teenager, Mr. Caglione experimented by making a cast of his brother's face, encasing him in hot dental stone.

The officer whose surname was Mossberg squatted and began to carefully pour viscous dental stone into a red wax-coated impression.

Then he sprayed the print with aerosol wax and let the red skin dry on the snow before he spread dental stone to make a cast.

Dental stone (die stone).

The officer named Mossberg was using a paint stirrer to deftly spread dental stone into every portion of the shoe print he was trying to cast.

Stefan's expert would have sprayed the muddy impression with shellac or acrylic lacquer, then he would have made a cast in dental stone.

These diagnostic and working models are usually made from dental stone, a stronger, harder and denser derivative of plaster which is manufactured from gypsum under pressure.

The wax froze the snow, so that when he took the mixture of dental stone and water he'd prepared to make a cast, it wouldn't melt any of the ridge details.

The most important aspect of this is a dental impression into which the technologist flows a gypsum dental stone to create a replica of the patients anatomy known as a dental model.