(in dentistry) an accurate positive cast of the teeth and jaws made from modified plaster of Paris. A pair of models are used to study the dentition, particularly before treatment. Models are also used to construct dentures, orthodontic appliances, and such restorations as crowns.
A form of calcium sulphate, which, after soaking in water, sets ?rmly. For this reason it is widely used as a form of splinting in the treatment of fractures, for producing casts to immobilise parts of the body, and for dental models. Splints are made with bandages impregnated with plaster and a suitable adhesive. Its great advantage, compared with an ordinary splint, is that it can be moulded to the shape of the limb.... plaster of paris
n. 1. a technique used in *behaviour modification, whereby an individual learns a behaviour by observing someone else doing it. Together with *prompting, it is useful for introducing new behaviours to the individual. 2. An element of normal social learning and development whereby children learn through emulating other people’s behaviour (often that of parents, other adults, or other children).... modelling
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