RPD design Flashcards
1
Q
Which kennedy classification can’t have mod space?
A
Class 4
2
Q
Which kennedy classes are tooth supported?
A
Class 3
Class 4
3
Q
Which kennedy classes are tooth tissue supported?
A
Class 1 and 2
4
Q
What are the 5 reasons to use lingual plate rather than lingual bar?
A
opposing CD
No room
Stability
Mand tori
Lose teeth
5
Q
How far away should cutaways be from gingiva on maxilla?
A
6 mm
6
Q
How much interocclusal clearance is needed for a rest seat?
A
1.5 mm
7
Q
How many # of clasps needed in kennedy class 1?
A
2
8
Q
How many clasps needed in kennedy class 2?
A
3
9
Q
How many clasps needed in class 3 and 4?
A
4
10
Q
WHat are the 6 ways to alter retentiveness of clasp?
A
Length
Diameter
Clasp taper
Cross section
Material
Amount of undercut engaged
11
Q
Is an infrabulge or suprabulge clasp more retentive?
A
INfrabulge
