Anyone else’s inaccurate? app says i’m brushing one side of my mouth when i’m actually brushing the other. for a $300 toothbrush this is unacceptable

Remember to run it across your teeth gradually, not brush like with a manual toothbrush. That should help with the accuracy. The toothbrush has a sensor in it for which angle it's in and how your holding it.

What is the specific difference among iO 7, 8, 9 series ?

We'd be happy to point out some key differences among our iO 7, 8, and 9 Series toothbrushes. -iO Series 7: 5 Smart Modes for personalized brushing, interactive black & white display for real-time coaching, 6 zones of brushing recognition, Gum Guard, AI recognition using an interactive display. -iO Series 8: 6 Smart Modes for personalized brushing, interactive color display for real-time coaching, 6 zones of brushing recognition, Gum Guard, AI recognition using an interactive display. -iO Series 9: 7 Smart Modes for personalized brushing, interactive color display for real-time coaching, 16 zones of brushing recognition, Gum Guard HD, AI tracking with 3D Teeth Tracking. The Oral-B Team

Can you use this brush on teeth with veneers

Yes, all Oral-B electric and battery power toothbrushes can be used by those with bridges, implants, crowns, veneers, or fillings. However, we recommend using a slower cleaning mode for even better control. - The Oral-B Team

ASIN	B088CK6XJ4
Age Range Description	Adult
Age range (description)	Adult
Best Sellers Rank	#5,235 in Health ( See Top 100 in Health ) #27 in Electric Toothbrush Replacement Brush Heads
Brand	Oral-B
Brand Name	Oral-B
Bristle Material	Nylon
Color	Blackonyx
Colour	Blackonyx
Country of Publication	Germany
Customer Reviews	4.1 out of 5 stars 70 Reviews
Global Trade Identification Number	00069055128909
Handle Material	Plastic
Included Components	Timer
Item Dimensions	17.8 x 10 x 25.3 centimeters
Item Firmness Description	Hard
Item Weight	630 g
Item firmness description	Hard
Manufacturer	Procter & Gamble
Manufacturer Part Number	iO M9.4B2.2A
Material Features	Reusable
Model Name	iO Series 8 Electric Toothbrush with 2 Replacement Brush Heads
Model Number	iO M9.4B2.2A
Mount Motion	Vibrate
Number of Items	1
Number of Pieces	4
Number of settings	7
Operation Mode	Automatic
Other Special Features of the Product	Bluetooth Connectivity, Brushing Timer, Pressure Sensor, Rechargeable, Travel Size
Package Type Name	Box
Power Source	Rechargeable
Power source	Rechargeable
Reusability	Rechargeable
Target Audience	Unisex-Adults
Theme	Oral Care
Toothbrush Head Shape	Round
UPC	069055128909
Unit Count	1.0 Count

Oral-B iO - 9 - Electric Toothbrush Rechargeable with 3 Replacement Brush Heads, 1 Handle Using Revolutionary Magnetic Technology, Colour Display, 1 Toothbrush Head, 1 Charging Travel Case

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