Tooth Eruption

Question 1

When does DI #1 erupt?

Answer 1

6 days

Question 2

When does DI #2 erupt?

Answer 2

6 weeks

Question 3

When does DI #3 erupt?

Answer 3

6 months

Question 4

When is DI #3 in wear?

Answer 4

1 year

Question 5

When does I #1 erupt?

Answer 5

2.5 years

Question 6

When is I #1 in wear?

Answer 6

3 years

Question 7

When does I #2 erupt?

Answer 7

3.5 years

Question 8

When is I #2 in wear?

Answer 8

4 years

Question 9

When does I #3 erupt?

Answer 9

4.5 years

Question 10

When is I #3 in wear?

Answer 10

5 years

Question 11

When is the I #1 cup gone?

Answer 11

6 years

Question 12

When is the I #2 cup gone?

Answer 12

7 years

Question 13

When is the I #3 cup gone?

Answer 13

8 years

Question 14

When do canines erupt, if at all?

Answer 14

3.5 to 5 years

Question 15

When do hooks occur on upper I #3?

Answer 15

-7 years
-11 years

Question 16

How can a 7 year hook be distinguished from an 11 year hook?

Answer 16

-based on lower corner incisor cups
-7 year horse will have cups, 11 year horse will not

Question 17

When are enamel spots gone?

Answer 17

15 years

Question 18

Where is Galvayne’s groove found in a 10 year horse?

Answer 18

at the gum line

Question 19

Where is Galvayne’s groove found in a 15 year horse?

Answer 19

halfway down tooth

Question 20

Where is Galvayne’s groove found in a 20 year horse?

Answer 20

down entire tooth

Question 21

Where is Galvayne’s groove found in a 25 year horse?

Answer 21

half gone from tooth

Question 22

Where is Galvayne’s groove found in a 30 year horse?

Answer 22

completely gone from tooth