Replica dentures Flashcards
1
Q
Explain how you would take primary impressions in replica dentures?
A
- using lab putty and stock trays take an impression of the denture
2
Q
Which base would the lab add to the replica wax blocks?
A
- Shellac base , because its a good base for taking a master impression
3
Q
What would you do in the second stage of replica dentures?
A
Master impressions and jaw registeration together using replica wax blocks
4
Q
What material would you use for master impressions of replica?
A
- Elastomeric light body or medium body silicon
5
Q
What material would you use to record the jaw registration?
A
Silicone jaw registration paste
6
Q
What would the lab do to finish the denture?
A
- Wax up
- Flask and pack
- Deflask
- Trimmed and polished
7
Q
3 differences between these dentures?
A
- Extension
- Flange height and width is increased
- Overextended on the right posterior area (hamular notch area)
- Increased OVD which means a decreased freeway space
8
Q
What is this area A for?
A
- It is a relief area for the patient to prevent trauma or pressure on the palatine torus
9
Q
Other than replacement dentures, what 2 ways can be used to improve retention and stability of a denture?
A
- Reline
- Rebase
10
Q
6 things you would check in the try in of a complete denture?
A
- Extension, retention and stability of denture
- Tooth position
- Midline
- Occlusion : OVD , FWS , RFH
- Patient comfort
- Speech
