The Oral-B iO Gentle Care tip has been specially designed for gentle and effective cleaning of the gums and sensitive areas of the mouth. Gentle Care precisely adapts to the shape of the teeth and the gum line, allowing a gentle and effective cleaning. Gently and effectively cleans sensitive areas and teeth. The bristles are carefully positioned on the typical Oral-B round brush head to better surround each tooth for optimal cleaning results. The toothbrush brand most often recommended by dentists around the world