Brushing and flossing are the foundation of good oral hygiene. But which comes first—do you floss or brush first? Does the order matter for oral health and preventing tooth decay and gum disease? Here’s what we tell patients who ask, “Is it better to floss before or after brushing?”

As with many things in dental care, there isn’t one universal right answer—your dentist’s advice may vary based on your mouth and habits.

Below are the cases for brush first and for floss first, plus simple tips to build a routine that helps remove plaque along the gum line and between teeth.

The case for brushing before flossing

Many people prefer to brush your teeth first.

When you brush first with fluoride toothpaste, you leave fluoride on the teeth and around the gum line. Flossing after brushing can then help move that fluoride between teeth (interdental areas) where a toothbrush’s bristles don’t reach.

The case for flossing before brushing

Others say it’s better to floss first.

Flossing first loosens food particles and plaque between teeth and under the gum. Brushing after helps remove what floss brought out and can reduce plaque build‑up that hardens into tartar.

Brush or floss first? Dentists agree consistency comes first

Most dental associations emphasize consistency over sequence: it matters more that you brush and floss thoroughly than which one comes first.

Colgate summarized it well:

“The sequence makes no difference as long as you do a thorough job. Brushing and flossing is the best way to remove decay‑causing plaque from your teeth and help maintain optimal oral health.”

Build a simple oral care routine that works

• Brush your teeth twice a day with a soft‑bristle toothbrush and fluoride toothpaste for two minutes.
• Floss your teeth at least once a day to remove plaque and food between teeth where brushing can’t reach.
• Be gentle along the gum line to avoid irritation.
• If you struggle with floss, try alternatives: waxed or unwaxed string floss, floss picks, tape‑style floss, or a water flosser.

FAQs: brush first vs. floss first

Which removes more plaque?

Both are needed—brushing cleans tooth surfaces; flossing cleans between teeth to help prevent gum disease.

Will order affect tooth decay?

Order matters less than doing a thorough job daily with fluoride toothpaste and proper technique.

What if my gums bleed?

Mild bleeding can be a sign of inflamed gums. Keep up daily flossing and brushing; if bleeding persists, see your dentist.

So, should you brush or floss first?

There’s no single winner. Choose the sequence that helps you stick with your oral care routine every day. What matters most is thorough brushing and flossing to remove plaque and support good oral health.

Orion Dental provides comprehensive dental care for the whole family, from regular cleanings and checkups to teeth whitening to braces and retainers.

If you’re looking for a family‑friendly dentist, contact our Milton or Scarborough offices to book your first appointment. We’ll help you take care of your teeth and gums with a routine tailored to you.