Oral-B iO Series 9 Review: A ₹16,000 Toothbrush That Knows When You're Brushing Wrong

Oral-B's iO Series 9 electric toothbrush impresses with its refined motor and superior cleaning, especially for those with crowded teeth. While its AI coaching is insightful initially, the pressure sensor is the standout feature for improving brushing habits. Despite its high price, the core brushing experience and effective pressure guidance make it a top performer, though cheaper iO models offer similar cleaning.

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