Many people will choose to use mouthwash to remove oral odor, oral inflammation of some patients will also choose to use some mouthwash to anti-inflammatory. Doctors from the second clinic of North Dental Hospital pointed out that when there are gum abscesses, severe periodontitis, oral ulcers and other acute inflammation in the mouth, you can use medicated mouthwash under the guidance of the doctor, this mouthwash can not be purchased in the market, and the doctor will guide the patient to use it according to the patient’s condition. The mouthwash sold on the market more than a certain degree of sterilization, anti-inflammatory effect, healthy people have a normal flora in the mouth, the experts particularly emphasized that long-term purchase and use of the market with antibacterial and anti-inflammatory effect of mouthwash on the contrary, will cause the normal bacterial flora of the oral cavity is out of balance, and therefore do not recommend long-term use. Maintain the normal flora balance in the mouth and effectively clean the mouth the best way or mechanical removal of plaque, such as brushing, flossing, toothbrush. Children brushing with soybean size toothpaste can Naughty children always like to squeeze a bunch of toothpaste on the toothbrush. In this regard, dental experts Zhang Bokuei pointed out that children should control the amount of toothpaste brushing, each time you brush your teeth with the size of a soybean amount is enough. Because the child’s swallowing reflex is not yet sound, it is easy to swallow toothpaste, especially in the use of fluoride toothpaste should pay attention to, so as not to lead to excessive intake of fluoride. Childhood is a high-risk period for the development of dental caries, in order to prevent dental caries, children over the age of 3 years should try to use fluoride toothpaste, every morning and evening with fluoride toothpaste brushing. However, it should be noted that children under the age of 6 should use fluoride toothpaste under the supervision and guidance of their parents, and children should not use adult toothpaste with high fluoride content. Because children’s swallowing reflexes are not yet sound, coupled with relatively weak hands, it is inevitable to swallow toothpaste containing more fluoride when brushing teeth, which can lead to the occurrence of dental fluorosis. Therefore, parents should advise their children not to swallow when brushing, take a slightly lowered position, so that the foam, saliva and other natural outflow, after brushing with water rinse mouth, spit out the residue in the mouth. The correct way to brush your teeth is vertically, never horizontally. Because brushing horizontally may cause damage to the soft tissues around the teeth, especially the gums by the mechanical stimulation of horizontal brushing, there may be damage, accompanied by bleeding and pain in the gums; and long-term use of horizontal brushing, but also to make the gums recede, resulting in the exposure of the roots, and then there will be tooth sensitivity and other symptoms. In addition, the horizontal brushing method will also cause damage to the teeth, the most common is the cervical wedge-shaped defects, light brushing will be sore, eating hot, cold, sour and sweet food will be allergic symptoms, and then further aggravation, there will be inflammation of the pulp nerve symptoms, such as pain at night, not eat when the pain, with half of the face pain and occlusal discomfort, and so on.