ADEX OSCE UPDATED ACTUAL QUESTIONS AND CORRECT ANSWERS

ADEX OSCE UPDATED ACTUAL QUESTIONS AND
CORRECT ANSWERS

Question:
1. thickness of minor RPD connectors
Answer:
1.5 mm

Question:
2. Minimum space between vertical components of RPD
Answer:
5 mm

Question:
3. Kennedy Class I
Answer:
bilateral distal extension

Question:
4. Kennedy Class II
Answer:
unilateral distal extension

Question:
5. Kennedy Class III
Answer:
entirely tooth born with teeth anterior and posterior

Question:
6. Kennedy Class IV
Answer:
edentulous area anterior to remaining teeth

Question:
7. Lingual bar distance from gingival margin
Answer:
3 mm

Question:
8. Lingual bar width (minimum)
Answer:
4 mm

Question:
9. Maxillary major connectors, how far from gingival margin

,Answer:
6 mm

Question:
10. Max RPD bead line width and depth
Answer:
.75-1 mm

Question:
11. Anterior-posterior palatal strap, minimum distance between straps and minimum width for each strap
Answer:
15 mm between, 6 mm anterior and 8 mm posterior

Question:
12. Palatal plate advised when?
Answer:
The last abutment on either side is a canine or premolar

Question:
13. Main function of indirect retainers
Answer:
prevents vertical dislodgement of the distal extension base away from tissues (sticky food)

Question:
14. Minimum number of rests for RPD
Answer:
3

Question:
15. For a distal extension where is the rest on the most posterior tooth
Answer:
mesial

Question:
16. rest seat depth
Answer:
1.5 mm at marginal ridge and 2 mm in center, at least 2.5 mm wide

Question:
17. what is prepared first? Guide planes or seats
Answer:
guide planes

Question:
18. extended occlusal rests used when?

, Answer:
used when most posterior molar abutment is mesially tipped in class II (mod I) and class III

Question:
19. Cingulum rest depths
Answer:
2 mm wide (F-L), 2.5-3 mm (M-D), 1.5 mm deep

Question:
20. Guide plane position relative to height of contour for classes of RPD
Answer:
Class III and IV can end above the height of contour because there is no functional movement. Class I and
II must be below the height of contour (to prevent torquing). With I-bars and mesial rests on premolars,
must end exactly at the height of contour.

Question:
21. how to determine number of clasps
Answer:
kennedy classification + 1 (except for class IV)

Question:
22. Undercut of 0.01
Answer:
cast clasp

Question:
23. Undercut of 0.02
Answer:
wrought wire (0.5 mm and must be at least 8 mm long, 18 gauge)

Question:
24. chromium provides what
Answer:
corrosion resistance

Question:
25. cobalt provides what
Answer:
rigidity

Question:
26. Nickel provides what
Answer:
ductility

Question:
27. What muscle dictates the DB of the mand flange of a denture