Obtain alginate impressions for diagnostic casts.
Obtaining alginate impressions should include
- selecting equipment and materials
- manipulating materials
- placing and removing the impression tray
- cleaning equipment.
Process/Skill Questions:
- Which type of reproduction, negative or positive, is an impression?
- Which type of tray allows an impression material to lock on mechanically?
- What is the water-to-powder ratio for taking a maxillary impression?