For those who want a "special" toothbrush designed in collaboration with dentists*. Small head with cross and uneven fibers to penetrate into the folds forming adjacent teeth to remove plaque and food debris from these "difficult" spots. *Developed in collaboration with the Dental Institute of Switzerland for effective oral hygiene. Up to 99% removal of food residues**. **In-vivo test involving 32 people. Result after one brushing Recognized by the FDI World Dental Federation. Dentists recommend changing your toothbrush every 3 months.