The document compares milk teeth and permanent teeth. Both sets have the same types of teeth - incisors, canines, and molars. However, milk teeth are smaller, have thinner enamel, and a shorter lifespan compared to permanent teeth which are bigger, stronger, and have a longer lifespan. Additionally, milk teeth number 20 total while permanent teeth number 32 total.

1. HUMAN TEETH
MILK TEETH SET PERMANENT TEETH SET

2. Milk teeth set Permanent teeth set

3. Milk teeth set Permanent teeth set
Similarities
incisors
canines
molars
Have the same types of
teeth which are incisors,
canines and molars

4. Milk teeth set Permanent teeth set
Differences
incisors
canines
molars
Number of teeth
8 8
4
8
4
20
20 teeth 32 teeth

5. Milk teeth set Permanent teeth set
Differences
Thickness of the
enamel
Thin layer of enamel Thick layer of enamel

6. Milk teeth set Permanent teeth set
Differences
When it starts to
grow
At 6 months old At 6 years old

7. Milk teeth set Permanent teeth set
Differences
When it completes
to grow
Complete grow at 3
years old
Complete grow at 21
years old

8. Milk teeth set Permanent teeth set
Differences
Life span
Teeth are not permanent
and have a short life span
Teeth are permanent and
have a long life span

9. Milk teeth set Permanent teeth set
Differences
Size
Teeth are smaller and not
strong
Teeth are bigger and
stronger

10. Answer the following questions

11. 1. How many teeth in milk teeth set?
20 teeth

12. 2. How many teeth in
permanent teeth set?
32 teeth

13. 3. Which type of teeth set has 20
molars?
Permanent teeth set

14. 4. The teeth start to grow at 6 months old
and are complete at 3 years old. This
refer to…………
Milk teeth set

15. 5. What is the size and strength of
milk teeth set?
Smaller and not strong

16. 6. The layers of enamel in permanent
teeth are
Thick

17. 7. Milk teeth set and permanent teeth set
have the same types of teeth which
are
Incisors, canines and molars

18. 8. The life span of permanent teeth
set is
Long life span

19. 9. Permanent teeth are complete at
21 years old

20. 10. Milk teeth are complete at
3 years old