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WorksheetsDirect retainer CPD
Total questions: 10
Worksheet time: 4mins
Name
Class
Date
1.
Which of the following is a common direct retainer?
a)
A. Clasp
b)
B. Connector
c)
C. Rest
d)
D. Major
e)
E. Minor
2.
Which type of clasp engages the undercut area of a tooth?
a)
A. Circumferential
b)
B. I-Bar
c)
C. T-Clasp
d)
D. Combination
e)
E. Ring
3.
The retentive arm of a clasp should contact the tooth at what angle?
a)
A. 10 degrees
b)
B. 20 degrees
c)
C. 30 degrees
d)
D. 40 degrees
e)
E. 50 degrees
4.
What is the function of a direct retainer in a cast partial denture?
a)
A. To provide support
b)
B. To connect the denture base to the natural teeth
c)
C. To stabilize the denture
d)
D. To retain the denture in place
e)
E. To help with chewing
5.
Which of the following factors can affect the retention of a direct retainer?
a)
A. The design of the clasp
b)
B. The material of the denture base
c)
C. The number of abutment teeth
d)
D. The length of the retentive arm
e)
E. All of the above
6.
Which type of clasp is commonly used for anterior teeth?
a)
A. Circumferential
b)
B. I-Bar
c)
C. T-Clasp
d)
D. Combination
e)
E. Ring
7.
What is the purpose of the minor connector in a cast partial denture?
a)
A. To connect the major connector to the denture base
b)
B. To connect the direct retainer to the denture base
c)
C. To connect the indirect retainer to the denture base
d)
D. To connect the denture base to the occlusal rests
e)
E. To connect the denture base to the natural teeth
8.
Which of the following is an example of a circumferential clasp?
a)
A. T-Clasp
b)
B. I-Bar
c)
C. Reverse-T Clasp
d)
D. Combination Clasp
e)
E. Ring Clasp
9.
How does a rest contribute to the stability of a cast partial denture?
a)
A. By distributing the occlusal forces evenly
b)
B. By preventing the denture from rotating
c)
C. By preventing the denture from lifting
d)
D. By providing support for the abutment teeth
e)
E. By retaining the denture in place
10.
Which of the following factors can affect the esthetics of a cast partial denture?
a)
A. The material of the denture base
b)
B. The design of the clasp
c)
C. The position of the clasps
d)
D. The color of the artificial teeth
e)
E. All of the above
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