Teeth
Which of the following is NOT a structure of a tooth? Dentine Cement Plaque Enamel
2. Which of the following is NOT a structure of periodontal tissues? Pulp cavity Gum Periodontal membrane cement
3. Generally, the colour of dentine is milky. light yellow. colourless. pink.
4. The hardest part of the tooth is enamel. dentine. pulp cavity. cement.
5. Generally, the total number of milk teeth is 16. 20. 28. 32.
6. Generally, the total number of permanent teeth is 16. 20. 28. 32.
7. How many roots are there in a molar? 1 2 3 4
8. Which of the following is NOT a type of milk tooth? incisor canine premolar molar
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
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
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.