The Routine That Actually Works

The practical version, before the evidence

1 min read·Updated July 2026

If you want the practical version before the underlying evidence, this is it. Everything here is explained and cited properly in the sections that follow.

HabitFrequencyWhy
Brush with fluoride toothpasteTwice daily, 2 minutes each timeDisrupts the plaque biofilm that causes both cavities and gum disease — most people brush for well under a minute, which isn't enough
Clean between teethDailyReduces gingivitis and plaque per controlled trials, though not proven for periodontitis or cavities specifically
Limit frequent sugar exposureOngoingFrequency of exposure matters as much as total amount
Routine check-up and cleanEvery 6–12 monthsCatches most problems while still cheap and painless to fix

The one habit worth prioritising

Brush for the full two minutes with fluoride toothpaste, twice a day. It's the single habit with the strongest, most consistent evidence in this entire guide, and it's the one most people underdo without realising it.