tooth wear

Question 1

What problems can tooth wear cause

Answer 1

1. No interocclusal space for restorations or dental work
2. Lack of tooth tissue so we cannot bond to anything
3. increased gingival display
4. Dental alveolar compensation
5. Pulpal problems
6. Changes in OVD

Question 2

What is erosion

Answer 2

Loss of tooth tissue from an acid reaction not caused by bacteria

Question 3

What are the etiological factors leading to erosion

Answer 3

1. Extrinsic acid
2. Lack of saliva
3. Intrinsic acid

Question 4

What are some of the clinical presentation of erosion

Answer 4

1. Cupping defects as dentine wears away faster than enamel
2. Loss of contour
3. Etched appearance to the teeth
4. Palatal hollows
5. Thinning incisor edges
6. Chipping of enamel
7. ‘proud’ restorations

Question 5

What is attrition

Answer 5

A loss of tooth substance as a result of tooth to tooth contact

Question 6

What are some aetiological factors that can lead to attrition

Answer 6

1. Tooth clenching and grinding
2. Normal function with hard or gritty food
3. MDMA
4. SSRIS
5. Lack of posterior support

Question 7

List some of the clinical features of attrition

Answer 7

1. Wear facets
2. Loss of crown height
3. Surfaces fo teeth meet precisely
4. Enamel and dentine wear away at the same rate

Question 8

What is abrasion

Answer 8

Tooth wear caused by contact with an external object