ANNOUNCER: What Keeps Your Mouth Healthy? Brought to you by the U.S. Department of Health
and Human Services National Institutes of Health. We all have millions of tiny bacteria in our mouth. Some of them are busy making acids
that cause tooth decay. The more often you eat and snack, the more chances the acids have
to attack your teeth. So, what can you do to fight off these
acid attacks in keep your mouth healthy? The most important thing you can do is
brush your teeth after breakfast and before bedtime at night. Always use a fluoride toothpaste.
Fluoride makes your teeth stronger and helps keep the acids from harming them. Brush the outside of every tooth and then the inside. Carefully brush the chewing surface of each tooth. Last, gently brush the top of your tongue. Make sure you have regular dental check-ups and ask your dentist about sealants
to protect your back teeth. So, remember, brush in the morning
and again at night. Having millions of bacteria in your
mouth isn’t so bad when you know how to keep your mouth healthy. This video is from Open Wide and Trek Inside, a curriculum supplement for grades 1 and 2. Produced by the BSCS for the National
Institute of Dental and Craniofacial Research and the Office of Science Education
at the National Institutes of Health.