Caries Classification

Question 1

How is caries classified by extent

Answer 1

D1 - all visually detectable lesions
D2 - lesions extending into enamel only
D3 - lesions extending into dentine

Question 2

How can caries by classed by cavitation

Answer 2

Cavitated

Non-cavitated

Question 3

How can caries be classed by activity

Answer 3

Active - demineralising

Inactive - remineralising

Question 4

How can caries be classified by site

Answer 4

Smooth surface
Occlusal
Root surface
Approximately

Question 5

Who created the new diagnostic system differentiating between active and inactive caries lesions

Answer 5

B. Nyvad

Question 6

How can caries be classed by location

Answer 6

Primary - de novo: 1*

Secondary - adjacent to a restoration: 2*

Question 7

What are the different ways that caries can be classified

Answer 7

Extent
Cavitation
Activity
Site
Location

Question 8

How does the caries scoring system work

Answer 8

Surfaces - each tooth is considered separately

Tooth - worst surface dictated tooth code