Skip to main contentSkip to footer

Explore more like this

Slide 1 of 10

Overview

new open box, head brush is sealed.Experience premium, all-in-one oral care with the DiamondClean Smart 9350. With real-time feedback and personalized coaching, this smart toothbrush takes the guesswork out of brushing so you can perfect your technique and feel completely confident in your oral hygiene.
Open Box

Newopenbox Philips Sonicare DiamondClean Smart 9350 Power Toothbrush White, HX9902/74

Model: HX9902/74
Web Code: 19645247
Sold and shipped by | 4.4 seller rating (18 reviews)

Available for deliveryAvailable online only

Delivery times vary by location. Most Marketplace items leave sellers' locations within 2 business days. Allow additional time for shipping.

Seller Return Policy

Read return policy

Warranty

Check with the manufacturer for details.

For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.

new open box, head brush is sealed.

Powered by advanced Sonic technology, it features 4 brushing modes, 3 intensity levels, and smart brush-head pairing to deliver exceptional plaque removal, gum care, and whitening. The DiamondClean Smart removes up to 20x more plaque and promotes up to 15x healthier gums in just 6 weeks compared to a manual toothbrush. A built-in pressure sensor helps protect your gums by alerting you if you’re brushing too hard.

Customize your clean, stay on track with brush-head replacement reminders, and enjoy convenience at home or on the go. The included premium travel case and charging glass make it easy to charge your toothbrush and keep your routine effortless wherever you are.

Complete care for your oral health

Enjoy comprehensive, gentle cleaning with technology that removes up to 20x more plaque* and promotes up to 15x healthier gums**. With 4 brushing modes and 3 intensity settings, you can personalize every clean to your needs.

Superior plaque removal — gentle on gums

Our A3 All-in-One brush head is designed with multi-angle bristles to deliver outstanding results no matter how you brush. It removes up to 20x more plaque, improves gum health up to 15x in just six weeks, and lifts up to 100% more stains in under two days compared to a manual toothbrush.

Sonicare Fluid Action

Philips Sonicare’s signature technology provides 62,000 bristle movements per minute, creating dynamic fluid action that drives fluid deep between teeth and along the gumline for a thorough yet gentle clean.

Protect your gums with a built-in pressure sensor

A soft light ring at the base of the handle illuminates when you’re brushing too hard. Just ease your pressure when it lights up to help keep your gums healthy and protected.

For Quebec residents – Disclosure under the Consumer Protection Act

In compliance with Bill 29, Best Buy and third-party sellers on Best Buy Marketplace do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Coverage provided through any Best Buy Protection programs and applicable manufacturer warranties, if any, remain in place. Please contact the manufacturer directly for information about their availability guarantee.

Shipping Charges

Free standard shipping may be available on orders over a minimum amount (before taxes, fees, and promo codes). Shipping charges may vary based on item size and your shipping address. Want a shipping charge estimate? Simply add an item to your cart, then access the cart and enter your postal code in the shipping estimate section.

Processing Time

Most items ship within 2 business days after an order is placed*. Allow additional time for shipping to your address.
*Please note: If an item you ordered becomes unavailable, you'll be notified and a full refund will be processed within 2 business days.

Shipping Area Restrictions

Shipping is not available in the following areas*:
  • No restrictions in Canada
*Please note: Shipping area restrictions may vary for large items. If an item can't be shipped to your address, we'll let you know during the checkout process.
Product Category
Personal Care
Return/Exchange Period
30 days
Condition
Unopened, No signs of use

Due to hygiene concerns, this product cannot be returned if opened

Learn more about returning a Marketplace product