Embryonic Development of the Dental Lamina

Question 1

What is the dental lamina?

Answer 1

The epithelial tissue within the oral cavity that becomes the tooth germ

Question 2

What are the two layers of the dental lamina?

Answer 2

Superficial and basal

Question 3

When do the two layers of the superficial dental form?

Answer 3

0-5 embryonic weeks

Question 4

What happens in weeks 0-5 of embryonic development?

Answer 4

Dental lamina forms two layers: superficial and basal

Question 5

What happens in the 6th week of embryonic development?

Answer 5

1. First signs of tooth development are seen
2. Dental lamina thickens in a downward fashion, forming a U shape
3. Thickening of the dental lamina begins at the anterior midline and moves posteriorly

Question 6

What happens in the 8th week of embryonic development?

Answer 6

Lamina continues to thicken in 10 areas of each arch, which determine the locations of future deciduous teeth

Question 7

The lamina continues to thicken in ten areas of each arch in which week of embryonic development?

Answer 7

8th

Question 8

When are the first signs of tooth development seen?

Answer 8

6th embryonic week

Question 9

When does the dental lamina thicken in a downward fashion?

Answer 9

6th embryonic week

Question 10

When does the dental lamina begin to thicken?

Answer 10

6th embryonic week