What happens to the structure of the tooth?

Question 1

what is shown in this picture?

Answer 1

2 = body
3 = dark area
4 = transluscent
loss of mineral on the body surface

Question 2

what is shown in this picture?

Answer 2

white spot lesion SEM
* most mineral loss on subsurface - surface is in contact with saliva so is remineralised
* do not probe as they are weak

Question 3

what is shown in this picture?

Answer 3

interproximal caries - demineralisation of enamel

Question 4

what is shown in this picture?

Answer 4

remineralisation of white spot lesions

Question 5

what is shown in this picture?

Answer 5

active lesion

Question 6

what is shown in this picture?

Answer 6

inactive lesion

Question 7

what is shown in this picture?

Answer 7

salivary buffering only reaches the surface not fissures as it cannot reach the bottom
caries spreads in a triangle shape towards the ADJ

Question 8

what is shown in this picture?

Answer 8

caries spreads in a triangle shape and spreads quickly and peripherally around the ADJ as dentine is less mineralised and more porous due to dentinal tubules

Question 9

what is shown in this picture?

Answer 9

root surface caries - top is early stage and bottom is late stage
change in colour - staining
glass ionomer can be used as it is aesthetic and releases fluoride

Question 10

what is shown in this picture?

Answer 10

carbonated apatite - increases resistance of tooth to acids