CD- Duplication

Question 1

Why are complete dentures advantageous?

Answer 1

1. Shorten process
2. If pt has ideal set of dentures
3. Need spare set

Question 2

When are complete dentures used?

Answer 2

1. Elderly
2. When tolerance is compromised
3. When duplicate denture is needed

Question 3

How to make?

Answer 3

Cast model from current denture
Model formed on denture using silicone putty
Can be used to provide model on which special trays can be made - good pt strong gag reflex
Use alma gauge to form registration rims

Question 4

How can compensate for dentures w/ worn teeth?

Answer 4

Increase OVD

Question 5

What are the 5 steps for making CD - CLINICAL

Answer 5

1. Make negative of denture in alginate flask - need separator between alginate
2. Make adjustment to face height
3. Try in - reline impression
4. If try in satisfactory - an impression taken of fitting surface of template for denture to be processed
5. Placement and check record

Question 6

3 steps for making CD- technical?

Answer 6

1. Template in wax and acrylic from negative
2. Remove wax teeth and replace with acrylic teeth
3. Process and finish

Question 7

What happens if adjustment to face height needed?

Answer 7

Make adjustment in clinic - send to laboratory in registered position

Question 8

Face height and duplicate dentures?

Answer 8

Often see small increase - often desirable

If unwanted - compensate for at try-in stage by reducing slightly