Electric Toothbrushes Buying Guide (2027)

Every electric brush is one of two types. Oscillating-rotating brushes (Oral-B) use a small round head that spins and pulsates, typically around 8,800 oscillations per minute, scrubbing each tooth individually. Sonic brushes (Philips, Aquasonic) vibrate side to side at 31,000 to 40,000 strokes per minute, using fluid motion to clean between teeth. Expert testing rates both highly for plaque removal. Choose oscillating if you like a precise, active feel or wear braces; choose sonic if your gums are sensitive or you prefer a smoother sensation.

Three features earn their keep. A 2-minute timer with quadrant alerts is non-negotiable; it is the main reason electric brushes outperform manual ones. A pressure sensor prevents the gum damage that heavy-handed brushing causes, and it matters more than any extra mode. Battery type determines convenience: lithium-ion brushes last 2 to 4 weeks, older NiMH cells about a week. App connectivity, by contrast, rarely changes outcomes and can be safely ignored.

The handle price is marketing; the replacement-head cost is the real price. You need 4 heads per year. Oral-B standard heads are the cheapest major-brand option, iO and Sonicare heads cost more, and the Aquasonic Black Series includes 8 heads (about two years). Before buying, multiply your chosen head price by 8 for a two-year cost picture. A cheap handle with expensive heads is the most common budget trap in this category.

Almost no one, with two exceptions. If you already brush a full 2 minutes twice daily with perfect technique, usually because a hygienist trained you, a manual brush works fine. And immediately after certain dental surgeries, your dentist may restrict you to manual brushing temporarily. For everyone else, including kids over 3 with an age-appropriate head, electric brushing is the evidence-backed default.