The correct way to brush teeth: first, toothpaste squeeze the size of a soybean grain to the toothbrush, and the choice of toothbrush is generally based on the size of the mouth, or the condition of plaque and calculus. Usually you can choose a toothbrush with medium soft bristles, and the brush head is relatively small. Need to brush directly in the mouth, and the toothbrush is generally with the teeth in the mouth at an angle of 45 degrees to brush, and the number of times the brush in about 10 times, and then repeat the move, repeat the position of the tooth surface to have repeated. In the case of brushing the lingual and palatal surfaces of the mouth, the toothbrush needs to be erected and then brushed. For occlusal surfaces to be brushed laterally, there can be repeated movements. For the labial and buccal surfaces, there is no repetitive back and forth brushing, just that the upper teeth need to be brushed from the top to the bottom while the lower teeth are brushed from the bottom to the top, and there is no repetitive motion.