Enamel Flashcards
1
Q
Where is enamel thickest?
A
At the incisal third of the crown
2
Q
What is the amelo-dentinal junction?
A
The boundary between enamel and underlying dentine
3
Q
Where do enamel rods run from?
A
The amelo-dentinal junction to the tooth surface
4
Q
What do enamel rods contain?
A
Hydroxyapatite crystals
5
Q
How are crystallites arranged?
A
Perpendicular to the amelo-dentinal junction
6
Q
What is more mineralised:
Surface or deeper enamel?
A
Surface enamel
7
Q
What are the 3 components of enamel?
A
Hydroxyapatite
Water
Organic matrix
8
Q
What makes teeth enamel weak and brittle?
A
Lack of organic matrix
