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MOD 4 Dental Materia
Lab Materials
Question | Answer |
---|---|
An electrical current occurs when two dissimilar metals come in contact with each other | Galvanism |
A chemical process causing two materials to harden together | Polymerization |
A piece of Dental equipment designed to reproduce movements of the mandible | Articulator |
Irreversible hydrocolloid impression material | Alginate |
Placing wax on impression trays either for patient comfort or extension of the tray | Beading |
Mixing this cement requires mixing over a large area in a figure 8 rotary motion | Zinc phosphate cement |
A common type of calcium hydroxide is also known by its manufacturer' name | Dycal |
An imprint of the patients occlusion | Wax Bite Registration |
Disposable impression tray with a plastic frame and gauze inserts | Triple tray |
Metal impression tray with holes or cuts in them | Perforated tray |
An impression tray made specifically for a patient | Custom tray |
A generic name for irreversible hydrocolloid | Alginate |
What happens to the setting time of the alginate if you mix with warm water | Sets faster |
A replica of the patient's teeth, hard and soft tissues used for study or observation | Study Models |
Ratio of water to powder for model plaster | 50ml-100g |
Weakest of the gypsum products | Plaster |
Measurement for the base on an ideal Study Cast | 1/2 inch |
The final set time for plaster is | 45 min |
What are alginate impressions most commonly used for | Study Models |
What is the ideal temperature for water when mixing alginate | Rooom temperature |