Chapter 15: Vocabulary

Question 1

hard replicas of hard and soft tissue of the patient’s oral cavity made from gypsum products; also referred to as models

Answer 1

Casts

Question 2

the weakest, most porous form of gypsum product used in dentistry

Answer 2

Model Plaster

Question 3

a stronger, less porous form of gypsum product used in dentistry

Answer 3

Dental Stone

Question 4

replicas of the prepared teeth that are generally removable from the working cast

Answer 4

Dies

Question 5

the densest form of gypsum product used in dentistry

Answer 5

Die Stone

Question 6

casts generally made from dental plaster or stone and used for patient education, treatment planning, and tracking the progress of treatment, as with orthodontic models; these casts are also known as study models

Answer 6

Diagnostic Casts

Question 7

casts generally made from one of the dental stones that are strong enough to resist the stresses of fabrication an indirect restoration or prosthesis; these casts are also known as master casts

Answer 7

Working Casts

Question 8

pouring the cast refers to the process of vibrating the flowable gypsum product into the impression; this process must produce a cast that is the exact replica of the impression

Answer 8

Pouring

Question 9

the process of removing excess hardened gypsum from the cast for ease in working with the cast and appearance in presentation

Answer 9

Trimming