Teeth and Dental Care

Grade 5 Science — Teeth and Dental Care: 25 practice questions with instant scoring and explanations.

1. How many milk teeth does a child typically have?
2. What is the hardest substance in the human body?
3. At what age do children usually start losing their milk teeth?
4. How many permanent teeth does an adult have?
5. Which type of tooth is used for cutting and tearing food?
6. What is the white outer layer of a tooth called?
7. How often should you brush your teeth?
8. Which nutrient is essential for strong teeth?
9. What causes cavities in teeth?
10. Which of these foods is best for your teeth?
11. What is the hollow part inside a tooth that contains blood vessels called?
12. How often should you visit a dentist for a check-up?
13. What do dentists use to fill cavities?
14. Which of these habits is bad for your teeth?
15. What is the part of a tooth that holds it to the jaw called?
16. Which mineral helps prevent cavities?
17. How long should you brush your teeth each time?
18. What is the area where two teeth meet called?
19. Which of these is a sign of tooth decay?
20. What should you use to clean between your teeth?
21. Molars are primarily used for:
22. What is plaque on teeth?
23. At what age do all permanent teeth usually grow in?
24. What can too much sugar cause to your teeth?
25. Which vitamin helps with gum health?