Effective Clean: The design with long and short bristles allows the Trustnice precision brush heads to enclose the teeth and penetrate deep into the interdental spaces, removing 5X more plaque along the gum line than with a manual toothbrush.

High Compatibility : Trustnice brush heads are specifically designed to fit Oral-B iO toothbrushes, Brush Heads Compatible with Oral b IO 3/4/5/6/7/8/9/10 Electric Toothbrush.

Affordable and Chic Mix: The electric toothbrush head replacement work just as well as the original heads at a reasonable price, each brush head has a colored coated ring perfect for the whole family without being confused.

Gum protection: The end of the bristles is rounded so as not to hurt the gums. The medium-hard replacement brush head offers the perfect balance between thorough cleaning and gum protection.