There's a dentist who says we've all been brushing our teeth wrong our whole lives.I know it seems crazy to take this one guy's advice over every other dentist in history, but let's just hear him out, okay?

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Most people brush, floss, then rinse or brush, rinse, then floss. Right?

Dr. Matthew Lloyd is a dentist in England and he says you should do the whole thing in reverse: Floss first to get food particles loose, then rinse with mouthwash, then brush your teeth.

"It's better to remove plaque and food debris with floss before rinsing the bacteria away with mouth wash," Dr. Lloyd told Good to Know. "Ideally, you should finish your oral care routine by brushing your teeth. That way, the toothpaste says in contact with your teeth and gums for longer and will provide better protection."

Read more at Good to Know.