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IODC - Dentures > CD- Duplication > Flashcards

Flashcards in CD- Duplication Deck (8)
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1
Q

Why are complete dentures advantageous?

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

When are complete dentures used?

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

How to make?

A

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

4
Q

How can compensate for dentures w/ worn teeth?

A

Increase OVD

5
Q

What are the 5 steps for making CD - CLINICAL

A
  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
6
Q

3 steps for making CD- technical?

A
  1. Template in wax and acrylic from negative
  2. Remove wax teeth and replace with acrylic teeth
  3. Process and finish
7
Q

What happens if adjustment to face height needed?

A

Make adjustment in clinic - send to laboratory in registered position

8
Q

Face height and duplicate dentures?

A

Often see small increase - often desirable

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