Aja Isaac September 2, 2026 Dyson Just Put a Camera in Your Mouth for $499. The Money Is Still in the $9 Brush Head Aja Isaac September 2, 2026 Dyson spent six years to put 470,000 dental images and a camera inside a $499 toothbrush. Meanwhile the thing buyers complain about most costs about $9 and lasts three months.
