Tooth Eruption

Question 1

What erupts first in primary teeth - lower or upper

Answer 1

lower erupt first

except lateral incisors

Question 2

What is the sequence of eruption for primary teeth

Answer 2

ABDCE

Question 3

When do the As erupt

Answer 3

6-8 months

Question 4

When do the Bs erupt

Answer 4

9-10 months

Question 5

When do the D’s erupt

Answer 5

13-14 months

Question 6

When do the C’s erupt

Answer 6

16-17 months

Question 7

When do the Es erupt

Answer 7

23-26 months

Question 8

When is the primary dentition complete by

Answer 8

2.5-3 years

Question 9

How long does it take primary teeth to complete apex-genesis

Answer 9

1.5 years

Question 10

How long does it take the contralateral teeth to appear when one tooth has erupted

Answer 10

contra lateral teeth should have erupted within 3 months of the other

Question 11

What erupts first in permanent teeth - lower or upper

Answer 11

Lower teeth tend to erupt before upper teeth with the exception of the second premolars

Question 12

What is the sequence of eruption in upper permanent teeth

Answer 12

Goes from 1st permanent molar then front to back (except canine)

Order = 6, 1, 2, 4, 5, 3, 7, 8

Question 13

What age do upper centrals erupt

Answer 13

7 years old

Question 14

What age do upper laterals erupt?

Answer 14

8 years old

Question 15

What age do upper canine erupt?

Answer 15

11 years

Question 16

What age do upper premolars erupt?

Answer 16

10 years

Question 17

What age do upper 6s erupt?

Answer 17

6 years

Question 18

What age do upper 7s erupt?

Answer 18

12 years

Question 19

What is the sequence of eruption for lower teeth?

Answer 19

Goes from 1st permanent molars then front to back

Order = 6, 1, 2, 3, 4, 5, 6, 7, 8

Question 20

What age do lower centrals erupt?

Answer 20

6 years

Question 21

What age do lower laterals erupt?

Answer 21

7 years

Question 22

What age do canines erupt?

Answer 22

9 years

Question 23

What age do lower premolars erupt?

Answer 23

10 years

Question 24

What age do lower 6s erupt?

Answer 24

6 years

Question 25

What age do lower 7s erupt?

Answer 25

12 years

Question 26

What is the ugly duckling stage

Answer 26

Ugly duckling stage is when there is a lot of spacing between upper ones and they face away from each others but then the canine will come in and push teeth together

Question 27

Where do the permanent incisors develop

Answer 27

palatally to primary teeth

Question 28

How long does it take for permanent teeth to complete apexogensis

Answer 28

3 years