The medium toothbrush is ideal for small teeth and sensitive gums. The TELLO 3940 Medium Touch for adults is the most efficient toothbrush for maximum oral hygiene. The rounded bristles with a diameter of 0.15 mm protect the gums and ensure unsurpassed cleanliness. The medium toothbrush is ideal for small teeth and sensitive gums . This completely removes the plaque without causing irritation.  Teeth cleaning recommendations: Teeth that are sensitive to pain are often the result of an incorrect brushing technique. If you brush your teeth with too much pressure, the enamel will be removed and the necessary protective layer will be damaged.