Flabby Ridge

Question 0

Where are flabby ridges usually seen?

Answer 0

IT CAN appear Upper anterior where it has been opposed by natural teeth

Aka Combination syndrome

Question 1

What is a flabby ridge?

Answer 1

This is a ridge that becomes displaced due to fibrous tissue deposit

Question 2

What are the three ways to manage a flabby ridge?

Answer 2

Surgery
Window
Selective displacement

Question 3

When is surgery used?

Answer 3

This is when the fibrous tissue is removed to leave a firm ridge

Question 4

What are the problems with surgery technqiue?

Answer 4

1. Reduces amount of fibrous tissue Which reduce height of ridge and therefore reduces stability
2. Increases denture bulk
   3 traumatic to oateint
3. Trauma to underlying bone since flabby tissue acted as shock absorber

Question 5

What is the window technique?

Answer 5

This is a mucostatic impression technique

1. Customised close fitting special tray with window over flabby ridge
2. Impression in ZnO eugenol or silicone leaving window over flabby ridge
3. Once this set use a mucostatic impression technqiue to record the flabby ridge area

Question 6

What is the selective displacement technqiue?

Answer 6

Muscodisplacive: displace but not distort flabby ridge

1. Special tray loaded with impression compound and take impression of the model
2. Try impression in mouth: should be retentive
3. Remove and then warm all over except in flabby ridge area
4. Re take impression: this means that the flabby ridge is displaced as the warm areas sink into the tissue
5. Can then consider wash impression on top to increase detail

Question 7

With the mucodisplasive techqniue, when will the denture be most stable?

Answer 7

Under load

Question 8

With the mucostatic technique , when is the denture most stable?

Answer 8

When not loaded