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labs and Models
Vocab.
| Question | Answer |
|---|---|
| speeds the process of | accelerates |
| process used with utility wax to curb impressions | beading |
| starts or accelerates a process | catalyst |
| change in shape | distortion |
| releases heat | ecothermic |
| a solid | gel |
| a frame representating the jaw that holds models of the patents teeth to maintain the patients occlusion | articulator |
| the time from which the alginate powder material is mixed with water. | gelatin time |
| the process of driving a specific amount of water out of gypsum to create specific plasters | calcination |
| uniformly mixed | homogenous |
| calcium sulfate dehydrated; used when pouring an impression th make a model | gypsum |
| imbition | enlargement due to selling |
| commonly called alginate; material used in the formation of dental impressions | irreversible hydrocolloid |
| an essential artificial wall used to replace the missing or removed surfaces of a tooth during the filling of a cavity | matrix |
| self curing acrylic tray resin (liquid catalyst) | monomer |
| self curing tray resin ( powder) | Polymer |
| material used in taking final impressions | polysulfide |
| sometimes called agar-agar used in the formation of dental impressions that can be converted from a gel to a sol back to a gel due to thermal reaction | reversible hydrocolloid |
| materials avaialable in various forms used in taking final impressions | silicones |
| a liquid | sol |
| diagnostic casts | study models |
| skrinkage from a loss of water content due to heat, dryness, or exposure to air | syneresis |
| properties of becoming softer when heated and harder when col |