Flashcards in enamel Deck (15)
what is the name for enamel formation?
when does amelogenesis occur?
after the first establishment of dentine, via cells known as ameloblasts
what is the first stage of enamel formation?
proteins and organic matrix form partially mineralised enamel
what is the second stage of enamel formation?
enamel mineralisation completed
what type of cells are ameloblasts?
polarised columnar cells
is enamel formed inwards or outwards?
what is the basic unit of enamel?
where are enamel rods found?
running dfrom the amelodentinal junction to the surface of the tooth
what do enamel rods consist of?
what structure form enamel rods?
what is the hydroxyapatite content of enamel?
95% weight, 90% vol
what is the water content of enamel?
4% weight, 5-10% vol
what is the organic matrix content of enamel?
1% weight, 1-2% vol
describe the surface of enamel
smooth, may contain pitts and fissures