Chapter 46 Flashcards

What are the three classifications of impressions used in dentistry?

What is the most common reason a dentist would request preliminary impressions?

Legally, who can take final impressions?

An impression tray should be sufficiently deep to allow ____ mm of material between the tray and the incisal or occlusal edges of the teeth.

What material can custom impression trays be made of?

Which irreversible hydrocolloid material is used most widely for preliminary impressions?

Alginate impressions must be poured within ____ so that distortion does not occur.

What term is used when an alginate impression takes up water either from soaking or wrapping in a wet paper towel?

Which type of impression tray covers the anterior portion of the dental arch?

What is used to extend the length or depth of the borders of an alginate impression tray?