Dental Health Quiz
Grade 2 · Health · Quiz
Test what you know about keeping your teeth clean, strong, and healthy.
Questions
What mineral in toothpaste helps make your teeth stronger?
- Calcium
- Fluoride
- Iron
- Sugar
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Answer: Fluoride
Fluoride is a mineral found in most toothpastes that strengthens tooth enamel and helps prevent cavities.
Which tool do you use to clean between your teeth?
- Toothbrush
- Tongue
- Dental floss
- Mouthwash
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Answer: Dental floss
Dental floss is a thin string designed to slide between teeth and remove food and plaque where a toothbrush cannot reach.
You only need to brush your teeth if they feel dirty.
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Answer: False
You should brush your teeth twice every day whether they feel dirty or not, because plaque builds up constantly.
What is the hard outer layer of your tooth called?
- Enamel
- Gum
- Root
- Crown
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Answer: Enamel
Enamel is the hard, protective outer layer of your tooth. It is the strongest substance in the human body.
Which food is MOST likely to cause cavities?
- Apple slices
- Carrot sticks
- Candy
- Cheese
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Answer: Candy
Candy is high in sugar, which feeds mouth bacteria that produce acid and cause cavities.
Baby teeth are important even though they fall out.
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Answer: True
Baby teeth hold the space in your jaw for permanent teeth and help you chew and speak properly while you are young.
How long should you brush your teeth each time?
- 30 seconds
- 1 minute
- 2 minutes
- 5 minutes
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Answer: 2 minutes
Dentists recommend brushing for two full minutes to make sure every tooth surface gets properly cleaned.
A hole in a tooth caused by bacteria and acid is called a ______.
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Answer: cavity
A cavity is a hole that forms in a tooth when bacteria make acid that slowly eats through the enamel.
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