Caries Symposium 2+3 Flashcards
1
Q
Factors for caries (3)
A
- Dental plaque
- Diet
- Tooth
2
Q
How does an enamel lesion affect the rods?
A
- Enlarged gaps between rods
- Rod length preserved
3
Q
Caries definition
A
Progressive but preventative disease that results in demineralisation of the tooth surface (as a result of acidogenic bacteria that ferment dietary carbohydrates)
4
Q
What are the ion substitutions for a hydroxyapatite crystal
A
- Mg2+
- CO3(2-)
- F-
5
Q
What is a D1 lesion?
A
Clinically detectable enamel lesions with intact surfaces
6
Q
What is a D2 lesion?
A
Clinically detectable cavities limited to enamel
7
Q
What is a D3 lesion?
A
Clinically detectable lesions in dentine (open and closed)
8
Q
What is a D4 lesion?
A
Lesions into pulp
