UNIQUE BRISTLES – Each bristle of this brush is split into four parts and rounded to prevent micro-scratches on the surface of the tooth enamel. SENSITIVE TEETH and GUMS – For the safe silver treatment of the most sensitive teeth and the most susceptible gums. SILVER PROTECTION – Silver ions with which each bristle is treated provide a long-lasting protection effect. GENTLE CLEANSING – The softness and tenderness of the bristles is achieved thanks to a unique production technology. It so gently cleanses the most sensitive teeth and gums that SENSITIVE toothbrushes are recommended by dentists for use by patients even after surgery in the oral cavity.