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All precert
| Question | Answer |
|---|---|
| when working with mercury, a hygiene precaution which must be followed is to | store scrap amalgam under water |
| a class II cavity requires a | tofflemire retainer |
| when setting a crown and/or a bridge, the consistency of the cement should be | thick enough to form a continuous 1/2 inch strand when lifted of slab |
| plaster will emit warmth after mixing because | of setting reaction |
| air bubbles in a mix of plaster _____________ the mixture | affect the strength of "the mixture" |
| when mixing ZOE in preperation for use in a dry socket, _______ is used | parchment pad |
| when constructing a shellac baseplate, a safety precaution that must be observed is to avoid | overheating |
| the composition of silver amalgam includes silver, copper | tin and zinc |
| construction of custom trsys calls for which type of resin material | acrylic resin |
| custom trays are constructed primarily for the purpose of | having a tray that fits the patients mouth for final impressions |
| a complex cavity involving two or more surfaces requires a | tofflemire retainer |
| wedges are placed in order to | 1. stabilize the matrix 2. insure proper contacts 3. seperate the teeth |
| shellac baseplate are used to | form tissue area of occlusion rims |
| to take preliminary impression for a full denture the material used may be | irreversible hydrocolloid |
| when taking a preliminary impression, the compound heater temperature should be | 132*F |
| in a bonding process the composite resins are used together with | acid-etch technique |
Created by:
sftbllbabe1596
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