occlusal rim construction Flashcards
1
Q
What materials do we need to construct occlusal rims
A
- Shellac baseplate
- Light cured acrylic
- Sheet of wax
- Performed wax rims
- Wire strengthener
- Scissors
- 2 wax knives
- Pilot torch
- Bunsen burner
2
Q
If we are using shellac where would we extend our baseplate to
A
Crest of the ridge anteriorly and beyond the crest posteriorly on an upper models
3
Q
Where would we extend the base plate up to if using light cites acrylic
A
Deepest pert of the ridge on a lower model
4
Q
What material can we use to make our base place for our occlusal rims
A
- Shellac
- Wax
- Light cured resin
- Heat cured resin
5
Q
If we are using shellac as our base plate what do we need to add
A
Retention ridges
6
Q
When using light cures silicone as a base plate what do we need to add
A
Retention riddles using a scalpel and then light cure the material
7
Q
When would we not cut shellac and why
A
When it is cold as it will fracture
8
Q
Why are rentention ridges added to shelled
A
To attach the wax
