Ultrathin bristles for superior clean and gum protection Pack of 3 Ultrathin bristles heads with an end rounded bristle to clean hard-to-reach areas and stimulate your gums.
Designed to fit all Oral-B Braun Electric Brushes. Replace brushhead every 3 months, when bristles are worn or hen colour on indicator bristles has faded half-way down the bristles.
Dentists recommend changing your brush head every 3 months.