Preprosthetic surgical and non surgical preparation of implant supported overdenture l removable prosthodontics MCQs for dental students
1. If bone surrounding abutment is less than 6 mm, abutment:
a. used as
short coping
b. used as
short coping
c. extracted
d. non
coping
2. Best tooth to be used as overdentures:
a. upper
central incisor
b. upper
lateral incisor
c. 2nd
premolar
d. Canine
3. ________ is the ideal distribution form of abutments to be used as overdenture.
a.
Quadrilateral
b. Diagonal
c. Linear
d. all of
the above are equal
4. which one of these doesn't have finish line in its preparation
a. short
coping abutment
b. long
coping abutment
c. non
coping
d. both b, c
5. Occluso-gingival height of thimble shaped coping is:
a. 4
b. 8
c. 12
d. 24
6. Long coping must be in non-vital tooth, while short coping must be done in vital teeth.
a. 1st
statements is true, 2nd statements is false
b. 1st
statements is false, 2nd statements is true
c. both statements
are true
d. both
statements are false
7. All of the following are advantages of non-vital non-coping in except
a.
self-finding path of insertion of denture
b. simple
and least expensive
c. decrease
lateral stresses on abutment
d. us with
interim and immediate overdenture
8. With Non coping amalgam plug preparation prepare abutment to be dome shaped with chamfer finish liner
A. True
B. False
9. Preparation of short coping us ______ While long coping is _____
a. Dome -
thimble
b. Thimble
—dome
c. Box —
Dome
d. Box —
Thimble
10. Minimum Occluso-gingival length of abutment in short coping:
a. 1 mm
b. 2 mm
c. 4 mm
d. 8 mm
11. All of the following are short coping advantages except:
a. needs
good bone support
b. protect
root from caries
c. provide
space for the abutment
d. increase
retention and stability of coping by dowel
12. advantages of Dalbo Rotex over dowel is:
a. Time
saving
b. more
retention
c. used as
temporary retainer
d. all Of
the above
13. Advantages of prosthetic driven restorations:
a.
facilitates proper angulation and positioning
b. decreases
clinical and lab complication
c. assist in
diagnosis and treatment
d. All of
the above
14. Surgical guide that detect position and only initial drilling
a.
non-limiting design surgical guide
b. partial
limiting design surgical guide
c. CAD/CAM
complete limiting design surgical guide
d. cast-base
complete limiting design surgical guide surgical
15. surgical guide that detect position is: a. non-limiting design surgical guide
a.
non-limiting design surgical guide
b. partial
limiting design surgical guide
c. CAD/CAM
complete limiting design surgical guide
d. cast-base
complete limiting design surgical guide surgical
16. surgical guide design that contains all of the instruments used for osteotomy in bucco-lingual and mesio-distal plan that mainly transporting virtual treatment into computer-assisted design and manufacturing is:
a. non-limiting
design surgical guide
b. partial limiting
design surgical guide
c. CAD/CAM complete
limiting design surgical guide
d. cast-base
complete limiting design surgical guide surgical
17. Vacuum formed template surgical guide is introduced bye
a. Almond
b. Becker
and Kaiser
c. Hanau
Dream
d. Bluestein
and Engelman
18. For adequate arrangement of teeth without interference ,for esthetic purpose should make
a. occlusal
box
b.
antirotational feature
c. occlusal
shoulder
d. all of
the above
19. Preparation of long coping abutment with vital or non vital tooth is
a. Dome
shaped preparation
b. thimble
shape preparation
c. egg
shaped
d. pear
shaped
20. abutment has height of bone level around its root 6mm so it is suitable to be
a. prepared
and receive attachment
b. prepared
to have long coping
c. prepared
to receive short coping with dowel
d. amalgam
plug
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