PCS - Wear 2 Flashcards
1
Q
What is the function of a diagnostic wax up?
A
- facilitates communication between operator, technician and patient
- occlusion and aesthetics checked before restoration
- construction of putty or vacuum formed matrix for build ups
2
Q
Which teeth should be waxed up first?
A
- canines so that canine guidance is established
- canines should have centric stops
- canines should have adequate length so that anterior incisors can be waxed up with no occlusal interference
3
Q
How is a vacuum formed stent made?
A
- diagnostic wax up
- alginate impression taken of wax up
- poured in dental stone
- base of model reduced to horse shoe
- placed in vacuum former machine
- trimmed to size
4
Q
Why is an alginate impression required of the wax up for a vacuum formed stent?
A
The wax would melt in the vacuum former
