Prepping and Def Impressions - Lec 5 Flashcards
1
Q
Anterior-Posterior movement
A
Guideplanes
2
Q
Lateral movement
A
Retention
3
Q
Latticework extends ____ mm beyond the crest of the ridge.
A
1-2
4
Q
The finishline extends onto the _______.
A
proximal plate.
5
Q
Thickness of non-retentive clasps.
A
1.5 mm uniform thickness
6
Q
T/F: Guide planes first, then the abutment teeth.
A
True
7
Q
These are done LAST in an RPD.
A
Rest preps
8
Q
After border molding, will a custom tray have retention?
A
NO because the entire periphery does not have border molding, so there’s not a complete seal.
9
Q
Temperature of thermoplastic compounds for border molding.
A
135-140 F
10
Q
This has high tear strength and cannot be repoured.
A
Polysulfide
