5 Surveying and Design Flashcards
1
Q
Red colored marks indicate?
A
Tooth preparation
2
Q
Blue colored marks indicate?
A
Denture base
3
Q
Brown colored marks indicate?
A
Framework
4
Q
When do you survey? (4)
A
- Diagnostic casts
- Verify adequate mouth preparations (with a new diagnostic cast)
- Master cast (duplicate) - prior to lab submission
- Survey crowns (prior to delivery)
5
Q
Four important considerations for surveying the cast?
A
- Abutment contours
- Adjacent tissue contours
- Guide surface (plane) contours
- Esthetic outcome
6
Q
RPD design sequence (14)
hint: #5 is survey casts and #7 is survey lines on cast
A
- Examine occluded casts
- Mark rests (black)
- Mark interferences (red/black)
- Orient casts on survey table
- Survey casts
- Lock cast table & tripod (red)
- Survey lines on cast
- Mark direct retainer undercuts (red)
- Mark rest seats (red)
- Mark connectors (brown)
- Mark indirect retainers (red)
- Mark clasps (brown)
- Mark preparations (red hatch)
- Label cast (black)