Which mineral is most important for strengthening teeth?
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Iron
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Calcium
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Magnesium
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Vitamin C
How often should you replace your toothbrush?
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Every month
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Every 6 month
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Once a year
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Every 3-4 months
What is the function of fluoride in toothpaste?
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Strengthens enamel
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Freshens breath
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Makes teeth whiter
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Removes tartar
What is the main cause of tooth decay?
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Acidic foods
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Brushing too much
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Drinking water
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Bacteria in plaque
Which part of the tooth covers the root?
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Dentin
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Enamel
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Pulp
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Cementum
How often should you brush your teeth?
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After every meal
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Once a day
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Twice a day
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Once a week
Which of these habits can stain your teeth over time?
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Eating apples
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Drinking water
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Drinking coffee or tea
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Chewing sugarless gum
What is the proper order for brushing teeth?
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Circular motion
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Top to buttom, back to front
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Random motion
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Back to front,top to buttom
How often should you visit a dentist for a checkup?
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Once a year
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Every 3 years
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Only when there is pain
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Twice a year
Which disease is caused by untreated gum infection?
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Tooth hypersensitivity
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Periodontities
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Cavity
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Gingivities