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Lab Materials & Proc
CH 47 - Lab Materials and Procedures
Question | Answer |
---|---|
The structural portion of a dental model created from the alginate impression. | Anatomical Portion |
Term for the lab device that simulates the movement of the mandible and TMJ joint; holds dental cast. | Articulator |
The accurate replica of tooth; used in lab for fabrication of cast restoration. | Die |
Related to gypsum, indicating 2 parts water and 1 part calcium sulfate. | Dihydrate |
Term referring to a dental material that retains its original dimension when subjected to a change in temperature and humidity. | Dimensionally Stable |
Portion of the articulator used to transfer the relationship of the maxillary arch and TMJ joint to a dental cast. | Face Bow |
A mineral used in the formation of plaster of Paris and dental stone; chemically known as calcium sulfate dihydrate. | Gypsum |
When gypsum is heated, loses water and converts to calcium sulfate; forming the powder product of gypsum. | Hemihydrate |
Term for having uniform quality and consistency throughout. | Homogenous |
Name for the dental lab machine with varying cutting instruments, grinding stone, and polishing wheels used for dental appliances. | Lathe |
The replica of the maxillary and mandibular arches made from an impression. | Model |
Term for the molecule that when combined with other molecules forms a polymer. | Monomer |
Chemical process in the setting of dental stone and plaster in which a cluster of crystals interlink, giving strength and rigidity. | Nuclei Crystallization |
The chemical compound consisting of like units bonding together. | Polymer |
The mixture of gypsum and water used i the finishing of models. | Slurry |
Term for a substance that can evaporate easily and is very explosive. | Volatile |