How do I choose the best electric toothbrush?

Compare the features with real impact first: a 2-minute timer, a pressure sensor, and replacement head cost. Then choose between sonic and oscillating feel, and only pay for app coaching or travel cases if you will use them.

Sonic or oscillating toothbrush: which is better?

Both clean well when used correctly. Sonic brushes (Sonicare) feel gentler and let you brush like a manual brush; oscillating round heads (Oral-B) clean tooth by tooth and are easier to aim around braces. Our Oral-B vs Sonicare guide covers the trade-offs.

Are smart toothbrushes worth it?

A pressure sensor and timer are the most useful features. App coaching can genuinely improve technique and coverage, but it is a convenience, not a requirement — the core clean is similar on mid-range models.

How often should brush heads be replaced?

About every 3 months, or sooner if bristles fray — every 8–10 weeks with braces. Head price varies a lot by ecosystem, so check the ongoing cost before choosing a handle.

Can I use an electric toothbrush with braces?

Yes — a small round oscillating head like the Oral-B iO is easiest to angle above and below brackets, with light pressure and more frequent head replacement. You still need interdental cleaning under the wire.

What is the best electric toothbrush for sensitive teeth?

Pick a brush with a pressure sensor and a gentle or low-intensity mode, and use a soft head. Over-brushing causes more harm to sensitive gums than any brush style.

Are electric toothbrushes good for kids?

Yes, from roughly age 3 with supervision. Kids models have extra-soft small heads and timers, and character app coaching often helps children brush the full two minutes.

← All guides

The buyer's guide

Electric Toothbrushes

Reviewed by

Michal Zucker · Fitness, Movement & Wellbeing Editor

A $30 brush and a $300 one clean about the same. Technique is what matters — and only two features actually improve it.

A $30 electric toothbrush and a $300 one remove plaque about equally well — what changes outcomes is technique, and the two features that improve it: a two-minute timer and a pressure sensor. Everything above that price is comfort, coaching, and convenience, which is why the right question isn't "which brush is best" but "which features are worth paying for in my mouth."

For most adults the answer is the Philips Sonicare 4100: both features that matter, a gentle sonic feel, and cheap replacement heads for about $49. Skip the sensor knowingly and the Sonicare 1100 delivers a real Sonicare clean near $30 — we weigh that exact $19 in 1100 vs 4100. Prefer Oral-B's tooth-by-tooth round head — or wear braces — and the iO Series 3 brings the flagship's magnetic drive for $80; see how it stacks against the Sonicare default in iO 3 vs 4100. The iO Series 9 adds a screen, AI coaching, and a travel case — whether that's worth $219 more is exactly the question we answer in iO 3 vs iO 9. Frequent flyers get the DiamondClean 9000's USB-charging case, minimalists the Quip, and kids their own brush with a timer that makes two minutes stick.

Not sure? Take the 60-second quiz, read Oral-B vs Sonicare: how to actually choose, or jump to your situation — sensitive teeth, braces, or what replacement heads really cost.

Start the questionnaire →

6 questions · about a minute

Our top picks

Compare top picks →

What we look for in a great electric toothbrushe

Cleaning effectivenessWeight 0.25
Plaque removal and gum-friendly cleaning with proper technique.
Gum safetyWeight 0.2
Pressure sensor and gentle modes that protect sensitive gums and enamel.
Core featuresWeight 0.18
Two-minute timer, pressure sensor, and modes that actually matter.
Replacement-head costWeight 0.17
Replacement-head price — the real long-term cost of ownership.
Battery and travelWeight 0.1
Battery life and travel-friendliness.
ValueWeight 0.1
Features relative to upfront and ongoing price.

What's in our catalog

7 picks