Chapter 17 Question and answers verified to pass 2024/2025
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Course
GYPSUM AND WAX
Institution
GYPSUM AND WAX
Chapter 17 Question and answers verified to pass 2024/2025 Chapter 16: Gypsum and Wax Products
______ is a mineral widely found in nature. - correct answer Gypsum
Gypsum has been used for making dental _____ since 1756. - correct answer casts
True or False:
Dental casts and dies are ...
Chapter 16: Gypsum and Wax Products
______ is a mineral widely found in nature. - correct answer ✔Gypsum
Gypsum has been used for making dental _____ since 1756. - correct
answer ✔casts
True or False:
Dental casts and dies are used as replicas of hard and soft tissues of the
patient's oral cavity. - correct answer ✔True
An impression is a ________ reproduction of the patient's mouth that uses
soft, elastic material. - correct answer ✔negative
True or False:
Soft gypsum is a stable positive reproduction or cast of the hard and soft
tissues. - correct answer ✔False - *Hardened* gypsum is a stable positive
reproduction or cast of the hard and soft tissues.
Dental ______ are used in a variety of clinical and laboratory dental
procedures. - correct answer ✔waxes
True or False:
Dental waxes do the following:
1.) fabricate direct waxing patterns for cast restorations
2.) alterations and adaptations for impression trays
3.) wax bite registrations
4.) box an impression before pouring a gypsum product
, 5.) act as baseplates for full and partial dentures
6.) hold components together before articulation
7.) provide indirect patterns for casting - correct answer ✔True
What are the three types of gypsum that are used to make replicas of the
patient's mouth? - correct answer ✔1.) diagnostic casts
2.) working casts
3.) dies
Diagnostic casts are also called what? - correct answer ✔study models
True or False:
Diagnostic casts (study models) are used to plan treatment and observe the
oral structures of the mouth. - correct answer ✔True
True or False:
Working casts are also called working dies. - correct answer ✔False -
Working casts are also called *working models*.
Working casts (working models) are used to fabricate appliances such as
what? (3 things) - correct answer ✔1.) orthodontic retainer
2.) bleaching tray
3.) removable prosthesis
____ are replicas of individual teeth or groups of teeth and are used to
fabricate crowns and bridges. - correct answer ✔Dies
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