Dentist-recommended interdental care, flossing to The saliva swells, is gentler on the gums, and effectively removes Dental floss to remove tartar. Precautions ? Please avoid storing in direct sunlight and places with high temperature and high humidity. ? Do not floss forcibly, it may damage your teeth and gums. ? If the dental floss gets stuck between the teeth, or the dental floss is easy to break, it may affect the deterioration of the tooth filling, and there is a greater chance of causing tooth decay/tooth loss, so please consult your dentist before use. ? Be careful not to cut your fingers with the floss cutter.