Week 2

Question 1

dental lamina appears when? Arises from?

Answer 1

during the 6th week of embryonic life arising from oral ectoderm

• • localized proliferation
• • two horseshoe-shaped structures
• • associated with the maxillary and mandibular processes

Question 2

physiologic stages of tooth development

Answer 2

1) initiation
2) proliferation
3) morphogenesis (shape)
4) cytodifferentiation
5) apposition

Question 3

morphologic stages of tooth development

Answer 3

1) bud stage
2) cap stage
3) bell stage

Question 4

bud stage

Answer 4

• the initial stage of tooth development

- primordial for the enamel organ

Question 5

cap stage

Answer 5

continued cell division results in an unequal proliferation of the epithelium, forming the cap-shape structure