Structure of oral tissue Flashcards
1
Q
Dentition force
A
500-700 newton/110-160 lbf
2
Q
Dentition (teeth) occupy
A
20%
3
Q
Enamel facts
A
96% mineral, non-vital, brittle, ameloblasts
4
Q
Dentin facts
A
70% mineral, elastic, permeable, vital, odontoblasts
5
Q
Cementum facts
A
50% mineral, thin, vital attachment site
6
Q
Bone facts
A
50% mineral, support, remodels continually
7
Q
periodontal ligament facts
A
hammock, fibrous
8
Q
Clinical crown
A
not covered by gingiva
9
Q
anatomical crown
A
covered by enamel
10
Q
Mutation
A
rare change in the DNA sequence, referes to negative effect
11
Q
Polymorphism
A
2 or more alleles in a population.
12
Q
Stages of tooth devolpment
A
initiation bud cap bell label 1 label 2
13
Q
diphyodont means
A
two layers
14
Q
5 fibers
A
Interradicular Apical Oblique Horizontal Alveolar
15
Q
enamal is
A
ectoderm