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The cheap toothbrush is rarely the cheapest.

You replace the head every three months, so over a few years the heads cost more than the handle. This ranks popular electric toothbrushes by their real three-year cost, brush plus heads, and flags which ones take cheap generic heads instead of pricey branded ones.

Prices reviewed 11 July 2026. Indicative US prices in USD. Three-year cost assumes replacing the head every 3 months (12 heads); brush price plus head price shown separately so you can adjust.

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Toothbrush Brush price Head each Cheap generic heads 3-year cost Per year Best for
How this works. Dentists say replace the head every three months, so we count 12 heads over three years. The 3-year cost is the brush price plus twelve heads, and per year spreads it out. The cheap generic heads column flags brushes, mostly Oral-B and budget brands, that accept third-party heads for a couple of dollars each; premium Sonicare and Oral-B iO use patented fittings with few cheap alternatives, so you pay branded prices for the life of the brush. The lesson: a fancy handle with expensive heads can cost far more over time than a plain one with cheap heads, so weigh the running cost, not just the box price. Prices are indicative and vary by retailer and multipacks; adjust in your head if your heads cost more or less.

Common questions

How much do brush heads cost?

About $2 each for generic-compatible ones up to $10-$12 for premium branded (Sonicare, Oral-B iO). At one every 3 months, that is 4 a year, and over 3 years the heads can beat the brush price. That is why the real comparison is the total.

Cheapest to own?

Budget brands like Bitvae and Fairywill, cheap handle and ~$2 heads, land near $50-$60 over three years. Among big names, a basic Oral-B is good value because it takes cheap third-party heads.

Are premium ones worth it?

They clean a bit better and add sensors and modes, useful, but the heads are the big lifetime cost. A mid-range brush with affordable heads gives most of the benefit for far less. Check head cost before buying.

Can I use generic heads?

For many Oral-B and budget brushes, yes, at a fraction of branded prices, though fit varies. Sonicare and Oral-B iO use patented connectors with few cheap options, so you are more locked in.