Anatomic portion
The structural portion of a dental model created from the alginate impression.
Articulator
Dental laboratory device that simulates mandibular and temporomandibular joint movement when models of the dental arches are attached to it.
Crystallization
Chemical process in which crystals form a structure.
Die
An accurate replica of the prepared portion of a tooth used in the laboratory during the fabrication of a cast restoration.
Dihydrate
Related to gypsum products and indicating two parts of water to one part of calcium sulfate.
dimensionally stable
Resistant to changes in width, height, and length.
Face bow
Portion of articulator used to measure the upper teeth as compared with the temporomandibular joint.
Gypsum
Mineral used in the formation of plaster of Paris and stone.
Hemihydrate
Removal of water to become one-half part water to one part of calcium sulfate, forming the powder product of gypsum.
Homogenous, homogeneous
Having a uniform quality and consistency throughout.
Lathe
Machine used for cutting or polishing dental appliances.
Model
Replica of the maxillary and mandibular arches made from an impression.
Monomer
A molecule that, when combined with other molecules, forms a polymer.
Polymer
Compound of many molecules.
Slurry
Mixture of gypsum and water used in the finishing of models.
volatile
Substance that can evaporate easily and is very explosive.