1. Teeth

2. Which of the following is NOT a structure of a
tooth?
Dentine
Cement
Plaque
Enamel

3. 2. Which of the following is NOT a structure of
periodontal tissues?
Pulp cavity
Gum
Periodontal membrane
cement

4. 3. Generally, the colour of dentine is
milky.
light yellow.
colourless.
pink.

5. 4. The hardest part of the tooth is
enamel.
dentine.
pulp cavity.
cement.

6. 5. Generally, the total number of milk teeth is
16.
20.
28.
32.

7. 6. Generally, the total number of permanent teeth is
16.
20.
28.
32.

8. 7. How many roots are there in a molar?1 2 3 4

9. 8. Which of the following is NOT a type of milk tooth?
incisor
canine
premolar
molar

10. 9. Which of the following combination for the type
and number of milk teeth is correct?
6 incisors、6 canines、8 molars
8 incisors、6 canines、6 molars
4 incisors、8 canines、8 molars
8 incisors、4 canines、8 molars

11. 10. Which of the following combination for the type
and number of permanent teeth is correct?
8 incisors、4 canines、8 premolars、12 molars
6 incisors、6 canines、8 premolars、12 molars
8 incisors、6 canines、8 premolars、10 molars
8 incisors、8 canines、8 premolars、8 molars

12. 11. Which of the following is NOT the symptoms of
periodontal diesase?
Margin of the gum is red and swollen.
Gum bleed easily upon toothbrushing.
Aphthous ulcer is formed.
Periodontal pocket is formed.