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What might people use to help clean their teeth years ago?

• Twigs and cloth
• Dental floss and mouthwash
• Baking soda and vinegar
• Toothbrush and toothpaste

Around 1000 years ago, the Chinese had the idea to make a toothbrush using the hair from a _____.

How many years ago did was toothpaste invented?

• 50 years ago

• 1000 years ago

• 100 years ago

• 500 years ago

Enamel is broken down by bacteria reacting with ______ in your mouth.

• salt

• bacteria

• sugar

• saliva

Plaque is a _________ .

• hole in your tooth.

• unpleasant smell.

• type of virus.

• yellow, sticky film.

Gingivitis is a type of _______ .

• gum disease
• cavity

• cereal

• decayed tooth

To maintain good oral hygiene you should _______ .

Select ALL that apply!

• rinse with mouthwash

• brush your teeth

• visit a dentist regularly

• floss your teeth

The average person spends ______ days brushing their teeth in their lifetime.

• 48.5

• 150

• 7

• 38.5