tooth development Flashcards
1
Q
where is tooth enamel derived from
A
ectoderm
2
Q
A
3
Q
A
4
Q
where are all other parts of the tooth derived from
A
ectomesenchyme (neural crest)
5
Q
name the stages in tooth development
A
bud
cap
bell
6
Q
when does initiation occur?
A
5-6 weeks of intrauterine life
7
Q
how many layers does the bell stage have
A
4
8
Q
when does the permanent tooth germ form
A
16th week
9
Q
what occurs in the enamel organ (EO) late ‘bell’ stage
A
at approx 18 weeks. dentine formation and enamel formation beginning
10
Q
A