No matter what kind of toothpaste you choose, it can only play the role of prevention of dental disease, but not cure, toothpaste only relies on rubbing the dirt on the surface of teeth and removing the residue between teeth to achieve the role of cleaning teeth, now some fluoride toothpaste has some auxiliary effect on the prevention of dental caries, while the effect of calcium toothpaste is not necessarily good, because the calcification of human teeth ends in the teenage, and the texture of teeth will not change again. will not change again. It is impossible to make the whole tooth harden by adding calcium to toothpaste. Therefore, it is best to consult your dentist and make the right choice. Brush your teeth with a soft-bristled toothbrush and insist on brushing your teeth before going to bed and after waking up in the morning. In order to enhance the resistance of gums to diseases, massage the gums with fine white salt once or twice a day, and then rinse your mouth with warm water. Brush your teeth 3 times a day for 3 minutes or longer. Brush for 3 minutes or longer each time. Make sure the bristles are at an angle of 45 degrees to the tooth surface, turn the brush head, and brush every tooth as much as possible, moving the brush back and forth between the upper and lower tooth surfaces. Repeat 5-6 times for each area to remove deeper debris. Do not brush horizontally or very hard. Brush your teeth in the morning and evening, and rinse your mouth after meals should become a habit, the only way to keep your mouth clean for a long time. Note: 1. Replace the toothbrush regularly The toothbrush should be replaced once every three months. In general, when the toothbrush bristles begin to bend outward, it is time to replace the toothbrush. 2, advocate the use of dental scaler dental device using pulse hydrotherapy technology to clean the oral cavity, pulse water flow can easily reach any part of the mouth, and no harm to the gums and teeth.