---
product_id: 638893777
title: "Philips Sonicare DiamondClean Smart Electric, Rechargeable Toothbrush for Complete Oral Care – 9300 Series, Gray, HX9903/45"
brand: "philips sonicare"
price: "2739 Lei"
currency: RON
in_stock: true
reviews_count: 5
category: "Philips Sonicare"
url: https://www.desertcart.ro/products/638893777-philips-sonicare-diamondclean-smart-electric-rechargeable-toothbrush-for-complete-oral
store_origin: RO
region: Romania
---

# 62,000 bristle movements/min Smart sensor + app feedback 2-week battery life Philips Sonicare DiamondClean Smart Electric, Rechargeable Toothbrush for Complete Oral Care – 9300 Series, Gray, HX9903/45

**Brand:** philips sonicare
**Price:** 2739 Lei
**Availability:** ✅ In Stock

## Summary

> ✨ Elevate your smile game with smart tech that cleans deeper and smarter! 🦷

## Quick Answers

- **What is this?** Philips Sonicare DiamondClean Smart Electric, Rechargeable Toothbrush for Complete Oral Care – 9300 Series, Gray, HX9903/45 by philips sonicare
- **How much does it cost?** 2739 Lei with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/638893777-philips-sonicare-diamondclean-smart-electric-rechargeable-toothbrush-for-complete-oral)

## Best For

- philips sonicare enthusiasts

## Why This Product

- Trusted philips sonicare brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Travel-Ready Luxury:** Sleek charging glass & travel case keep your smile flawless on the go.
- • **Stain-Free Confidence:** Erases up to 100% more stains in just 3 days with White+ mode—smile like you mean it.
- • **Real-Time Smart Coaching:** Smart sensors and app guidance ensure perfect technique and pressure every time.
- • **Intelligent Brushing Modes:** 4 tailored modes + 3 intensity levels adapt to your unique oral care needs effortlessly.
- • **Plaque & Gum Health Powerhouse:** Removes up to 10x more plaque & improves gum health 7x faster than manual brushing.

## Overview

The Philips Sonicare DiamondClean Smart 9300 is a premium rechargeable electric toothbrush featuring advanced sonic technology with 62,000 bristle movements per minute. It offers 4 customizable brushing modes and 3 intensity levels, smart sensor feedback via the Philips Sonicare app, and BrushSync™ technology to optimize brush head usage. Clinically proven to remove up to 10x more plaque, improve gum health 7x faster, and eliminate 100% more stains than manual brushes, it delivers a professional-level clean with a sleek design, 2-week battery life, and travel-friendly accessories.

## Description

Product Description Philips Sonicare DiamondClean Smart 9300 electric toothbrush provides complete and efficient oral care, removing up to 20x more plaque¹, providing up to 15x healthier gums¹ and removing up to 100% more stains than a manual toothbrush. High-performance brush heads let you focus on all areas of your oral health, while our Smart Sensor technology gives you personalized feedback and coaching. There are 4 brushing modes: Clean mode for daily cleaning, White+ for stain removal, Gum Health for gentle but effective cleaning of the gums, and Deep Clean+ for a refreshing, thorough clean. There are also 3 intensity levels to choose from. The built-in Philips Sonicare light ring pressure sensor lets you know if you’re pressing too hard. Advanced Sonic Technology provides gentle yet effective cleaning, pulsing fluid between teeth and along the gumline with a cleaning power of 62,000 bristle movements per minute. By connecting to the Philips Sonicare app, you will be able to receive personalized brushing guidance to maintain and improve your brushing habits. The app lets you know when you’ve achieved a thorough clean, and coaches you to be a better, more mindful brusher. The innovative BrushSync™ technology will let you know when it’s time to change your brush head. Improve your brushing technique with QuadPacer, and reach your recommended brushing time of 2 minutes with SmarTimer. Philips Sonicare DiamondClean Smart 9300 works perfectly as a travel toothbrush thanks to a travel case. You can also top up the power at home with the iconic charging glass. With regular use, the battery will last up to two weeks on a single charge (based on two periods of two-minute brushings per day on standard mode). ¹ vs. a manual toothbrush ² vs. a manual toothbrush. In-vitro study, actual results may vary ³ based on a study of over 2,600 dental professionals (dentists and hygienists) conducted in the United States, Canada, Japan, China, Korea, Thailand, Germany, the United Kingdom, Switzerland, France, Belgium, Austria, Italy, Spain, Sweden in 2022-2023 Directions 1. Fully charge the toothbrush before using it for the first time. 2. Attach a brush head by aligning it with the metal shaft and pushing it down until it clicks into place. 3. Wet the brush head and apply toothpaste. 4. Press the power button to turn on the toothbrush. 5. Choose a brushing mode and intensity level by pressing the mode button. 6. Brush for two minutes, spending equal time on each quadrant of your mouth. 7. Connect the toothbrush to the Philips Sonicare app for personalized brushing guidance and coaching. 8. Replace the brush head every three months or sooner if the bristles are frayed. P.when('A').execute(function(A) { A.on('a:expander:toggle_description:toggle:collapse', function(data) { window.scroll(0, data.expander.$expander[0].offsetTop-100); }); }); Safety Warning Replace brush heads every 3 months or when bristles are frayed. Not suitable for children. See more

Review: Highly recommend! The quality and comfort this toothbrush provides is beyond my expectations! It’s been easy to use and provides a better clean than any other brush (electric or standard) I’ve ever tried. It is easy to travel with considering it has a travel case that comes with and the battery lasts a week or more on a single full charge. Definitely worth every penny!
Review: Fabulous! I am a smoker and this toothbrush has made that not at all visible on my teeth. Changed my cleanings at dentist from every four months to every six months. WELL WORTH IT!

## Features

- Complete oral care with smart sensor technology for an exceptional clean
- Removes up to 10x more plaque and improves gum health up to 7x in just 2 weeks (in gum health mode vs. a manual toothbrush)
- Removes up to 100% more stains in just 3 days (in white+ mode vs. a manual toothbrush).
- 3 different smart brush head types automatically pair with the appropriate brushing mode and smart sensors provide real time feedback
- 4 modes: Clean, White+, Deep Clean+ and Gum Health & 3 intensity levels

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CM438KZY |
| ASIN  | B0CM438KZY |
| Age Range Description | Adult |
| Batteries  | 1 Lithium Ion batteries required. (included) |
| Best Sellers Rank | 188,764 in Health & Personal Care ( See Top 100 in Health & Personal Care ) 460 in Sonic Toothbrushes |
| Brand | Philips Sonicare |
| Customer Reviews | 4.4 4.4 out of 5 stars (581) |
| Customer reviews | 4.4 4.4 out of 5 stars (581) |
| Date First Available | 29 Dec. 2023 |
| Delivery information | We cannot deliver certain products outside mainland UK ( Details ). We will only be able to confirm if this product can be delivered to your chosen address when you enter your delivery address at checkout. |
| Item model number  | HX9903/45 |
| Manufacturer  | Philips Sonicare |
| Product Dimensions  | 11.1 x 17.4 x 25.2 cm; 1.05 kg |
| Units | 1 count |

## Product Details

- **Age range (description):** Adult
- **Brand:** Philips Sonicare
- **Colour:** Gray New
- **Item firmness description:** Soft
- **Material feature:** Reusable
- **Number of items:** 1
- **Power source:** Battery Powered
- **Special feature:** Pressure Sensor,Brushing Timer,Rechargeable,Lightweight,Ergonomic
- **Toothbrush Head Shape:** Diamond Shaped
- **Unit count:** 1 count

## Images

![Philips Sonicare DiamondClean Smart Electric, Rechargeable Toothbrush for Complete Oral Care – 9300 Series, Gray, HX9903/45 - Image 1](https://m.media-amazon.com/images/I/610vlWx8pjL.jpg)
![Philips Sonicare DiamondClean Smart Electric, Rechargeable Toothbrush for Complete Oral Care – 9300 Series, Gray, HX9903/45 - Image 2](https://m.media-amazon.com/images/I/6174Fifg6PL.jpg)
![Philips Sonicare DiamondClean Smart Electric, Rechargeable Toothbrush for Complete Oral Care – 9300 Series, Gray, HX9903/45 - Image 3](https://m.media-amazon.com/images/I/61CuxyUlCNL.jpg)
![Philips Sonicare DiamondClean Smart Electric, Rechargeable Toothbrush for Complete Oral Care – 9300 Series, Gray, HX9903/45 - Image 4](https://m.media-amazon.com/images/I/61gxRSPc-LL.jpg)
![Philips Sonicare DiamondClean Smart Electric, Rechargeable Toothbrush for Complete Oral Care – 9300 Series, Gray, HX9903/45 - Image 5](https://m.media-amazon.com/images/I/61mHg73IKpL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by J***Y on 27 November 2025*

Highly recommend! The quality and comfort this toothbrush provides is beyond my expectations! It’s been easy to use and provides a better clean than any other brush (electric or standard) I’ve ever tried. It is easy to travel with considering it has a travel case that comes with and the battery lasts a week or more on a single full charge. Definitely worth every penny!

### ⭐⭐⭐⭐⭐ Review
*by A***R on 7 December 2025*

Fabulous! I am a smoker and this toothbrush has made that not at all visible on my teeth. Changed my cleanings at dentist from every four months to every six months. WELL WORTH IT!

### ⭐⭐⭐⭐⭐ Review
*by R***N on 6 January 2026*

This is a very good product recommended by my dental team. It is very easy to use and makes my teeth feel very clean after each use. It is ergonomically designed and fits well with my bathroom's decor. Good job Sonicare!

## Frequently Bought Together

- Philips Sonicare DiamondClean Smart 9300 Electric Toothbrush, Sonic Toothbrush with App, Pressure Sensor, Brush Head Detection, 4 Brushing Modes and 3 Intensity Levels, Grey, Model HX9903/45
- Philips Sonicare Genuine A3 Premium All-in-One Replacement Toothbrush Heads, 2 Brush Heads, Black, HX9092/95
- Philips Sonicare Genuine C3 Premium Plaque Control Replacement Toothbrush Heads, 2 Brush Heads, Black, HX9042/95

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*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-01-25*