How to Floss Every Day: Start With One Tooth

How to floss every day, starting with one tooth

Written by Evaari Team · Updated: October 29, 2026
Reviewed by the Evaari editorial team (editorial review, not clinical review). This page is not medical advice.

To floss every day, start with one tooth right after you brush your teeth at night. It sounds silly, but once the floss is in your hand you'll usually do more. Keep floss or interdental brushes right next to your toothbrush. The American Dental Association recommends cleaning between your teeth once a day.

Why clean between your teeth?

A toothbrush can't fully reach the spaces between teeth. The American Dental Association recommends brushing twice a day and cleaning between your teeth once a day with floss or another interdental cleaner.

Flossing is a classic example of a habit people know they 'should' do but skip. It's a perfect candidate for a tiny version: one tooth takes ten seconds, and the habit forms around the cue of brushing.

If your gums bleed often or hurt, see a dentist rather than stopping — they can show you the right technique and tools.

Start tiny: easier → usual → step up

Easier	Usual	Step up
Floss one tooth	Floss all your teeth	Floss and use mouthwash

On a tired or busy day, do the easier version — it fully counts. When the usual version has felt easy for about two weeks, try a step up. If the bigger version starts slipping, step back down without guilt.

How to start in 3 steps

Pick your anchor. Right after you brush your teeth in the evening — put the floss on top of your toothbrush.
Do only the tiny version for the first week: floss one tooth. That's a full win.
Mark it right away. Tick it off in Evaari or on a paper habit tracker. Seeing the tick is part of the reward.

Best time: in the evening. Usual version: about 2 min; tiny version: about 1 min.

What gets in the way (and what to do)

If you forget, put the floss on top of your toothbrush so you have to move it.
If string floss is awkward, try floss picks or interdental brushes — they all count.
If you're too tired at night, floss in the morning instead. Once a day is the goal, not a specific time.
If your gums bleed, be gentle and keep going; if it continues for more than a week or two, see a dentist.

Which area of life does it support?

Flossing every day belongs to the Body sphere. Add it in Evaari as your own step — you can write your own tiny version, or ask Evaari to suggest one. Each time you tick it off, your Evaari gets +10 light and your Body score grows a little, filling your Wheel of Life. See more body habits, or check your balance with the free Wheel of Life test.

What pairs well with it?

Before: an evening reset — a short evening reset ends in the bathroom.
After: going to bed earlier — floss, then lights out a bit earlier.

Want the full method? Read habit stacking: the formula and 40 examples, or see how Evaari works.

Questions people ask

Is it better to floss before or after brushing?

Either works. The most important thing is doing it once a day. Many people find it easiest right after brushing at night because brushing is already a strong habit to attach it to.

Can I use interdental brushes instead of floss?

Yes. Dental associations accept floss, interdental brushes, floss picks and water flossers as ways to clean between teeth. Choose the one you'll actually use; a dentist can recommend the right size.