Quiz 4 - Mixed Dentition

Question 1

When is the mouth edentulous?

Answer 1

6-8 months

Question 2

When do primary teeth erupt?

Answer 2

6 months - 2 years

Question 3

When are all primary teeth present?

Answer 3

2-6 years

Question 4

When is a mixed dentition present?

Answer 4

6-12 years

Question 5

When are only adult teeth present?

Answer 5

After 12 years

Question 6

What is the process of shedding called?

Answer 6

Exfoliation

Question 7

Define root resportion.

Answer 7

The gradual dissolving away of the root due to underlying eruption of permanent teeth

Question 8

What is an eruption cyst/hematoma?

Answer 8

Bluish, fluid filled swelling that occurs over an erupting tooth

Question 9

How can we identify which teeth are primary and permanent?

Answer 9

-Identify age
-Identify 6/12 year molars
-Count from midline
-Compare size
-Look across arch
-X-rays

Question 10

When do Maxillary central incisors erupt?

Answer 10

8-12 months

Question 11

When do maxillary lateral incisors erupt?

Answer 11

9-13 months

Question 12

When do maxillary canines erupt?

Answer 12

16-22 months

Question 13

When do maxillary first molars erupt?

Answer 13

13-19 months

Question 14

When do maxillary second molars erupt?

Answer 14

25-33 months

Question 15

When do maxillary central incisors shed?

Answer 15

6-7 years

Question 16

When do maxillary lateral incisors shed?

Answer 16

7-8 years

Question 17

When do maxillary canines shed?

Answer 17

10-12 years

Question 18

When do maxillary first molars shed?

Answer 18

9-11 years

Question 19

When do maxillary second molars shed?

Answer 19

10-12 years

Question 20

When do mandibular central incisors erupt?

Answer 20

6-10 months

Question 21

When do mandibular lateral incisors erupt?

Answer 21

10-16 months

Question 22

When do mandibular canines erupt?

Answer 22

17-23 months

Question 23

When do mandibular second molars erupt?

Answer 23

23-31 months

Question 24

When do mandibular central incisors shed?

Answer 24

6-7 years

Question 25

When do mandibular lateral incisors shed?

Answer 25

7-8 years

Question 26

When do mandibular canines shed?

Answer 26

9-12 years

Question 27

When do mandibular first molars shed?

Answer 27

9-11 years

Question 28

When do mandibular second molars shed?

Answer 28

10-12 years

Question 29

How does shedding/exfoliation occur?

Answer 29

The permanent tooth moves occlusally and begins to resorb the primary tooth root