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Dental Lab
Dental Lab and Equipment
| Question | Answer |
|---|---|
| Which item is used to polish or trim custom trays, provisional coverage, dentures, and indirect restorations? | Dental Lathe |
| Which form of gypsum product is used for the creation of dies? | High Strength Stone |
| Which type of dental wax is often used to form a wall or box around a preliminary impression when it is poured up? | Boxing Wax |
| Which type of baseplate wax is softest? | Type I |
| Water should be running through a model trimmer? | When trimming |
| How will gypsum material be affected if additional powder is added after mixing has begun? | Weaker |
| A vacuum former is utilized to conform a sheet of which of the following types of resin materials to a diagnostic model? | Thermoplastic |
| In minutes, how long should one wait before removing a model from an impression after pouring? | 45-60 minutes |
| How should the patient bite when positioning the bite-fork during a face-bow registration? | Slowly |
| When taking a face-bow registration, the vertical indicator rod should be aligned with which oral landmark? | Midline |
| How should light-cured resin tray material be cured? | For 2 minutes |
| When constructing custom trays, it is best to remove excess material with a _______ after it has cured. | Lab Knife |
| What causes air bubbles in a model? | Improper pouring of impressions |