Inspired by professional dental instruments, the <strong>Oral-B Dual Clean 3 Replacement Brush Heads</strong> are made up of two movable heads joined together in a single brush to provide a complete cleansing.<br /><br />One of its heads moves from one side to the other, while the other performs oscillations and pulsations for a twice as effective cleansing action. Its design makes it possible to penetrate areas difficult to access.<br /><br />The Dual Clean brush head allows for thorough cleansing and eliminates the dental plaque while refreshing your mouth and taking care of your gums.<br /><br />Oral-B replacement brush head Indicator blue bristles that partially discolour to indicate that it is time to replace the brush head.<br /><br />The mouth is perfectly cleansed and fresh.