Brushing and flossing are the best ways to help prevent cavities, but it’s not always easy to clean every nook and cranny of your teeth – especially those back teeth you use to chew (called molars).
Molars are rough, uneven and a favorite place for leftover food and cavity-causing bacteria to hide.
Still, there’s another safety net to help keep those teeth clean.
It’s called a sealant, and it is a thin, protective coating (made from plastic or other dental materials) that adheres to the chewing surface of your back teeth.
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They’re no substitute for brushing and flossing, but they can keep cavities from forming and may even stop early stages of decay from becoming a full-blown cavity.
Youtube / 3M Oral Care