Unadulterated Multi-Action Toothpaste In between The large, contoured head of the brush enables it to conform to the shape of your gums and teeth. Use a tongue cleaner to aid in the bacterial removal that can lead to foul breath. Gums are massaged by soft, flexible rubber bristles while brushing. Enhanced neck that is flexible and has an anti-slip grip to enable you to reach every part of the mouth. The purpose of end-rounded bristles is to shield teeth and gums while providing efficient cleaning. bristles of medium size.