1

Question 1

How to diagnose tooth wear

Answer 1

History
Examination
Special test

Usually an incidental finding

Question 2

Types of tooth surface loss

Answer 2

Erosion
Abrasion
Attrition
(Abfraction)

Question 3

Taking history

Answer 3

PT complaint
When did you notice it
Are teeth sensitive
Have teeth change colour
Any teeth chipped off
Medical history
Diet history
Are you aware of clenching/ grinding your teeth
Do you ever wake up with soreness over cheeks and lower jaw
Can you chew alright

Question 4

Special tests

Answer 4

Diet diary
Referral to GP if acid reflux etc…
Also ask about heartburn, anorexia, bulimia, alcohol consumption
Study casts- can observe changes and also be used as base line record

Question 5

Management of tooth wear

Answer 5

Prevention and monitoring
Restoration of tooth/teeth
Replacement of missing teeth

Question 6

Erosion

Answer 6

Remove or control the erosive source
Control the symptoms
Increase resistance to dissolution
Base line records and monitoring
Restoration
XLA

Question 7

Management of pain and sensitivity

Answer 7

Mode of action of topical agents:
1. Sensodyne- potassium nitrate induces high mineral content
- stannous fluoride- blocks dentinal tubules

2. Tooth mousse - amorphous calcium phosphate, blocks tubules
3. Unfilled resin- forms resin plugs in tubules, contain HEMA

Plaque control is important!!