Oral-B iO7 vs Oral-B iO9: Which smart electric toothbrush is best

They may be made by the same company, but these models offer different teeth-cleaning experiences  

Oral-B iO Series 7G Electric Toothbrush with 1 Brush Head, White Alabster

Oral-B iO vs Genius Pro 8000

Oral-B iO 7 Review: Is it a Game Changer?

Oral B iO Series 7 Smart Electric Toothbrush 3D Teeth Tracking Brushing 5 Mode Pressure Sensor Ultimate Clean Replace Brush Head - AliExpress

Oral-B iO Series 9 (7 stores) find the best price now »

Oral-B iO Series 9 review

Oral B Electric Toothbrush Io Series 7 Oral B Electric Toothbrush Io Series 6 - Electric Toothbrush - Aliexpress

Oral-B IO Series 9 Electric Toothbrush with 4 Brush Heads, Rose Quartz

Oral-B iO Series 4 vs 5 vs 6 vs 7 vs 8 vs 9 vs 10 comparison