Buy the Aquasonic Black Series.

More heads, a better battery and a real ADA seal, all for less than the Oral-B.

What was compared

Aquasonic Black Series Ultra Whitening Toothbrush – ADA Accepted Electric Toothbrush- 8 Br... — $27.99
Oral-B Pro 1000 Rechargeable Electric Toothbrush, Black : Health & Household — $35.99

1. Two and a half years of heads in the box
Aquasonic ships 8 DuPont brush heads, about 2.5 years of replacements, plus a hard travel case. Oral-B Pro 1000 gives you one head and no case, so you are buying extras within months of unboxing it.
2. A battery that will not quit on you
Reviewers report the Pro 1000's NiMH battery loses full power after just a week and some units grow mold inside the handle. Aquasonic runs 4 weeks per charge and tops up wirelessly, no cord fumbling.
3. Still humming two years in
Long-term Aquasonic owners report two solid years of daily brushing with no complaints. Oral-B Pro 1000 owners report mold forming inside the handle within six months, a real red flag for something you use twice a day.
4. The dental seal Oral-B's listing skips
Aquasonic carries the ADA Council on Scientific Affairs seal specifically for this model, verified for reducing plaque and gingivitis. Oral-B's Pro 1000 listing makes no such claim, leaving you trusting the brand name alone.
5. Yes, the pressure sensor is real. Still no.
Oral-B's pressure sensor and oscillating tech are well studied for plaque removal. But unless you brush too hard, Aquasonic's sonic motion and 4 modes clean just as well, without the extra head costs and battery gripes. If you are heavy-handed, get the Oral-B, but that is not most people.