# What are the best electric toothbrushes for professional dental care? — Verified Specification Comparison

> All specification data verified from official manufacturer documentation.

What are the best electric toothbrushes for professional dental care?

## Products

### Philips Sonicare DiamondClean Smart (HX9902/66)
```yaml
product: philips-sonicare-diamondclean-smart-hx9902-66
brand: Philips Sonicare
price_gbp: 151.94
origin_country: null
confidence_score: null
summary_source: generated_from_verified_specs_v1
timer: BrushPacer and SmartTimer
brush_head_type: null
pressure_sensor: Visual pressure sensor
waterproof_rating: null
number_of_brush_heads: null
pulsations_per_minute: null
oscillations_per_minute: null
```

- **Price:** £151.94 [^1]
- **Summary:** The Philips Sonicare DiamondClean Smart (HX9902/66) is an app-connected electric toothbrush with a visual pressure sensor to help you avoid brushing too hard. It pairs with compatible smart brush heads to match modes, and it uses a timer (BrushPacer and SmartTimer) to pace and guide your brushing routine.
- **Ideal For:** It's designed for thorough professional-style technique support with a visual pressure sensor and the BrushPacer/SmartTimer pacing, helping ensure consistent time and appropriate pressure-key factors for professional dental care outcomes.

---
## References & Sources
[^1]: Best Buy, accessed 2026-06-25. https://www.bestbuy.com/product/philips-sonicare-diamondclean-smart-electric-rechargeable-toothbrush-for-complete-oral-care-9300-series-black/J79GGJSVLJ