DENTAL TISSUES Flashcards
1
Q
what enamel?
A
cover anatomical crown
96% inorganic - hydroxyapatite
2mm thick
non vital - ocne cell make enamel die = dead forever
translucent
hard 360-390
brittle
2
Q
what main structure feature enamel
A
enamel prisms
3
Q
% enamel
mineral
A
96
4
Q
% enamel
water
A
2
5
Q
% enamel
matrix
A
1-2
6
Q
ideal properties tooth
A
hard
strong
repair
repsond damage
resistant chemical change
7
Q
% dentine
water
A
10
8
Q
% dentine
mineral
A
70
9
Q
% dentine
matrix
A
20
10
Q
% cementum
mineral
A
65
11
Q
% cementum
mineral
A
65
12
Q
% cementum
matrix
A
23
13
Q
% cementum
water
A
12
14
Q
% bone
mineral
A
60
15
Q
% bone
matrix
A
25
