L33. Enamel Introduction Flashcards
1
Q
Give 2 features of enamel.
A
Hardest body tissue
Varies in thickness
2
Q
Describe enamel in terms of translucency and transparency.
A
It is translucent (lets light through)
Transparency increases with mineralisation
3
Q
What are the basic units of enamel?
A
Rods/prisms
4
Q
Describe the changes in hardness and mineralisation of a tooth in different regions.
A
Surface enamel is harder and more mineralised.
Hardness decreases as you near the cervical region.
5
Q
What type of crystals are found in the enamel rods?
A
Hydroxyapatite crystals
6
Q
In what arrangement do the rods run the a tooth?
A
From the amelo-dentinal-junction to the surface.
