Why Render Pt Edentulous

Question 1

What are complete dentures made of

Answer 1

PMMA

Question 2

Effects of edentulism (5)

Answer 2

Loss of mastication
Appearance
Self esteem
Quality of life
Speech

Question 3

Clinical effects of edentulism

Answer 3

Ridge resorption
Soft tissue changes to lip and chin
Reduction in face height

Question 4

When does post extraction resorption most commonly occur

Answer 4

First six months

Question 5

What system is used to classify ridge resorption

Answer 5

Cawood and Howell (1-6)

Question 6

6 Cawood and Howell classifications

Answer 6

1- atrophy pre extraction
2- post extraction
3- high well rounded ridge
4- knife shaped ridge
5- low well rounded ridge
6- depressed bone level

Question 7

Why render a patient edentulous (5)

Answer 7

Rampant caries
Advanced perio disease
Severe and debilitating tooth-wear
Failing dentitions- cycles of replacement
Occlusal collapse and appearance

Question 8

Things to remind pt when rendering edentulous

Answer 8

Appearance and speech sub-optimal
Not a direct replacement for teeth but better than no teeth at all
Tx of last resort
MANAGE EXPECTATIONS

Question 9

Reasons for complete conventional dentures

Answer 9

No previous denture/ prev is poor
Want to significantly change aesthetics
If significant ridge resorption since original denture has been made
can make major mods and correct faults more easily

TAKES LONGER (2 IMP STAGES)

Question 10

Why replica dentures

Answer 10

Keeps existing design easier to adapt
Maintains existing aesthetics
1 less clinical stage
Easier to observe changes vs original
CAN REPRODUCE FAULTS