Thanks to their original design and flexible brush, they offer unique accessibility and effectiveness and can be easily inserted between teeth and molars both to remove food remains and for general cleaning. It also stimulates blood circulation in the gums, without damaging crowns or bridges. Instructions for use: 1. Insert the brush between the teeth. Rotate.\ 2. Glide gently with back and forth movements from top to bottom.\ 3. Use the flexible tip to reach the molars.