Chapter 16 Dental Materials Question and answers rated A+ 2024/2025
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Chapter 16 Dental Materials Question and answers rated A+ 2024/2025 Chapter 16 Dental Materials
Hard replicas of hard and soft tissue of the patient's oral cavity, made from gypsum products; also referred to as models
A. Casts
B. Models
C. Diagnosis casts - correct answer A
Casts gen...
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Chapter 16 Dental Materials
Hard replicas of hard and soft tissue of the patient's oral cavity, made from
gypsum products; also referred to as models
A. Casts
B. Models
C. Diagnosis casts - correct answer ✔A
Casts generally made from dental plaster or stone and used for patient
education, treatment planning, and tracking the progress Of treatment, as with
orthodontic model; these casts are also known as study models
A. Diagnostic casts
B. Working casts - correct answer ✔A
Casts generally made from one of the dental stones that are strong enough to
resist the stresses of fabricating an indirect restoration or prosthesis; these
casts are also known as master cast or working models
A. Diagnosis casts
B. Working casts - correct answer ✔B
Replicas of the prepared teeth that are generally removable from the working
cas
A. Dies
B. Casts - correct answer ✔A
,The weakest, most porous form of gypsum product used in dentistry
A. Model plaster
B. Dental stone - correct answer ✔A
A stronger, less porous form of gypsum product used in dentistry
A. Die stone
B. Dental stone - correct answer ✔B
The densest form of gypsum product used in dentistry
A. Dental stone
B. Die stone - correct answer ✔B
Pouring the cast refers to the process of vibrating the flowable gypsum
product into an impression; this process must produce a cast that is an exact
replica of the impression
A. Dies
B. Pouring - correct answer ✔B
The process of removing excess hardened gypsum from the cast for ease and
working with the cast and appearance in presentation
A. Trimming
, B. Pressing
C. Pouring - correct answer ✔A
A range of melting points of the individual components of wax
A. Melting range
B. Thixotropic - correct answer ✔A
The movement of wax as it approaches the melting range
A. Melting range
B. Flow - correct answer ✔B
A wax film that remains on an object after the wax is removed
A. Wax pattern
B. Excess residue - correct answer ✔B
A duplicate of a restoration carved in wax
A. Excess residue
B. Wax pattern - correct answer ✔B
A for fabricating a metal restoration by encasing The wax pattern in stone and
then vaporizing the wax under high temperatures to leave an empty
impression space once occupied by the wax; molten metal is then cast into
the space and takes the shape of the pattern
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