Is the 9900 Prestige worth it over the 9900?

The Prestige adds the SenseIQ pressure sensor and the charging travel case. If you don't need automatic pressure adjustment, the standard 9900 cleans the same.

How long does the battery last?

About 14 days of twice-daily brushing per charge. The travel case recharges the handle over USB.

No. The brush works fully without it; the app adds coverage tracking and coaching.

Which brush heads fit?

It uses standard Sonicare click-on heads, including the included A3 Premium All-in-One and other Sonicare heads.

Is it good for sensitive gums?

Yes. The Sensitive mode and the pressure sensor that eases intensity make it one of the gentler high-end sonic brushes.

Philips Sonicare DiamondClean 9900 Prestige Electric Toothbrush

Q: What's in the box?

The handle, one A3 Premium All-in-One brush head, a charging base and stand, and a USB charging travel case.

Q: Where is the Philips Sonicare DiamondClean 9900 Prestige Electric Toothbrush cheapest?

At Walmart, for $328.99, as of our latest check.

Q: Where can I buy the Philips Sonicare DiamondClean 9900 Prestige Electric Toothbrush?

15 stores we checked sell it, including Walmart, Amazon, csnmj, Philips US New, eBay.

Best price now

$328.99at WalmartChecked 12 h ago

Compared across 15 stores. Prices are checked against each store and labelled with when.

Visit Walmart

What reviewers say

Owners rate the clean highly and like the automatic pressure adjustment, calling it gentler on gums than older Sonicare brushes. The main complaints are the app's reliability and the cost of heads and the premium itself.

What people mention

Pressure sensorPraisedOwners say the automatic intensity drop when pressing too hard is the standout feature and helps with gum sensitivity.
AppMixedThe coaching and coverage map are useful, but users report pairing problems and slow syncing.
BatteryPraisedMost get close to the claimed two weeks per charge with normal twice-daily use.
ValueCriticisedReviewers question whether the top-tier price is worth it over cheaper Sonicare models that clean nearly as well.
BuildMixedThe handle feels solid but heavy and bulky in the hand for some users.
Brush headsCriticisedOwners note only one head is included and replacements are costly.

About the Philips Sonicare DiamondClean 9900 Prestige Electric Toothbrush

The Philips Sonicare DiamondClean 9900 Prestige is a rechargeable sonic electric toothbrush for adults. It moves at 62,000 brush movements per minute. It uses SenseIQ technology and connects to the Sonicare app over Bluetooth.

It has 5 brushing modes (Clean, Deep Clean, Gum Health, Sensitive and White+) and 3 intensity levels. It comes with an A3 Premium All-in-One brush head, a charging base and stand, and a USB charging travel case.

Type

Rechargeable sonic electric toothbrush

Product line

DiamondClean Prestige

Brush movements

62,000 per minute

Brushing modes

Clean, Deep Clean, Gum Health, Sensitive, White+

Intensity levels

Low, Medium, High

Bristles

Medium