W1 - Immediate Dentures - Abbott

Question 1

Disadvantages of immediate denture (2)

Answer 1

1. Fit may not be ideal (no posterior seal in mx)
2. Potentially poor aesthetics (no opportunity to try out, adjust position, etc)

Question 2

Why may a patient need an immediate denture? (4) - or dentures in general

Answer 2

1. Perio w/ mobile teeth
2. Generalised neglect / caries
3. Collapsed dentition, no posterior dentition
4. Unaesthetic, over-erupted anterior teeth

Question 3

Immediate denture advantages (4)

Answer 3

1. No edentulous period
2. Less pain following extraction bc denture is protecting exo sites
3. Function (mastication)
4. Immediate appearance change

Question 4

Clinical steps of making Immediate Dentures / 4 appointments

Answer 4

Appt 1: Alginate impressions for study models

• Make wax occlusal rim

Appt 2: Take jaw relation and tooth shade

• send to lab and ask tech to remove teeth from model, make denture

Appt 3: Extract teeth and insert denture

Appt 4: Review

Question 5

What impression material should you be very careful of in undercuts?

Answer 5

Polyether - 4 minutes until hardening

Question 6

What should the patient be made aware of when considering Immediate Dentures? (3)

Answer 6

• Estimated cost of denture and extractions
• Mx denture will become very loose and will require re-line in a few months
• Cost of re-line

Question 7

When may an immediate denture need to be remade rather than relined? (4)

Answer 7

• Incorrect centric relation and VDO
• Speech issues
• Masticatory issues
• Aesthetics

Question 8

What ADA code needs to be charted for removing teeth from cast?

Answer 8

736

Question 9

What material may be applied to the initial immediate denture seating to improve comfort?

Answer 9

GC COE-Soft

Question 10

Two immediate denture impression techniques

Answer 10

1. Single custom tray
2. Split impression technique (posterior and anterior segment)

Question 11

Can Cr-Co immediate dentures be made?

Answer 11

No, only acrylic

Question 12

When is a sectional tray used?

Answer 12

posterior teeth not present

Question 13

What is a clear surgical stent used for? How do you use it?

Answer 13

• adjustment of body undercuts
  
  • Look where tissue is blanching- remove bone in that area

Question 14

Pros and Cons of gum-fitted teeth (no labial flange)

Answer 14

Pros:

• Avoids fullness of upper lip
• Initially aesthetically pleasing

Con

• Denture retention poor as it is not seated anteriorly

Question 15

Post op instructions for Immediate dentures (4)

Answer 15

1. Leave dentures in mouth for 24 hours (otherwise swelling, bleeding, etc)
2. Avoid smoking, alc, and exercise (extraction)
3. Ice packs for 20 min/hour for 24 hours then switch to heat
4. Remove dentures after 24h and clean

Question 16

Why must immediate dentures not be removed for 24 hours? (2)

Answer 16

• Helps blood clot form and limits bleeding
• If removed, tissue may swell and pt will be unable to reinsert denture