Toothpaste, toothbrush, toothpick, mouthwash, our daily life every day to contact the oral supplies, toothpaste and toothbrush, the simpler the better, toothpaste and toothbrush always accounted for a few rows of shelves in the supermarket, a variety of varieties, the efficacy of the full, dazzling, and the price difference is also very large. Dr. Li Ming introduced, brushing teeth is not actually brushing teeth, but brushing plaque bacteria. Therefore, the method of brushing is the first, brushing appliances is the second, toothpaste in the third place. Now a lot of toothbrushes in order to pursue sales and improve the price, increased a lot of superimposed functions, such as toothbrushes increased brush tongue brush, tongue most to brush is the root of the tongue, the need for specialized tongue brush, brush the tongue brush basic to the root of the tongue. Rushing this gimmick to buy a toothbrush, spend the money and function can not be realized. For toothpaste, the main ingredients are mostly the same: abrasives, foaming agents, fragrances and a small amount of drugs. There are 300 to 500 kinds of plaque bacteria, drugs are difficult to kill them, the simplest way is to brush off the plaque bacteria. Therefore the basic function of a toothbrush is to brush plaque bacteria rather than to treat dental disease. The simpler the toothpaste and toothbrush, the better and most affordable they are. Toothbrushes should choose fine bristles rather than soft ultra-soft, soft fine, fine bristles … In the purchase of toothbrushes, many people will be accustomed to take a look at the outside of the package on the bristles of the strong hardness of the mark. Some people will deliberately choose soft bristles because they mistakenly believe that soft bristles do not hurt their teeth. The softness of the bristles is directly proportional to the cleaning efficiency, the softer the brush, the less clean. Healthy people should choose a toothbrush with fine bristles, because the fine bristles can be cleaned to the inside of the teeth, and the hardness is also suitable. People with doctor-diagnosed gum recession need to choose a soft-bristled one. Brushing at night is more important than brushing in the morning Brushing your teeth once in the morning and once in the evening is more important. Plaque bacteria are anaerobic, meaning they grow in anaerobic conditions. When you sleep at night, your mouth is closed and saliva production in the mouth is reduced, creating an oxygen-free environment suitable for anaerobic bacteria to grow. In fact, the plaque bacteria reproduction cycle is also at night. Once this is understood, you will know that brushing at night is actually more important than brushing in the morning, and brushing at night removes plaque bacteria that have the ability to reproduce. Rinse your mouth after meals, water works best Rinsing your mouth after meals is a good oral health care habit. The best water for rinsing is water, and it works best after meals. Now the market mouthwash is very popular, and there are many kinds of mouthwash, in the drugstore and supermarkets to buy is also very convenient, but the need for mouthwash is only four categories of people: brushing teeth not in place in the brushing of teeth immediately after the use of mouthwash; just do oral surgery; special patients and people suffering from halitosis. The toothpicks you can buy on the market now are cylindrical with a thick top below and a pointed top. The dental standard toothpick has a triangular cross-section, and this shape coincides with the inverted triangular gap between the roots of the teeth, which effectively removes plaque bacteria from between the teeth and gums. Can not brush your teeth after eating sugar but rinse your mouth Sucrose can corrode teeth is known to many people, so they eat sweets consciously to brush their teeth. This is a big mistake. Streptococcus pyogenes in the oral cavity in the decomposition of sucrose will produce corrosion of teeth acid, and saliva in the calcium can be corroded by this acid teeth repair, eat sweets after brushing will make this automatic repair ability disappear. Therefore, after eating sweets can not brush your teeth, but to rinse, rinse can dilute this acid, and will not destroy the oral self-repair function: 1, rotary brushing dental bacteria are most afraid of the teeth of the main diseases – caries and periodontitis are caused by plaque bacteria, the purpose of brushing the teeth is to remove plaque bacteria. Compared with the upper and lower brush and other methods, rotary brushing is more effective in removing plaque bacteria. 2, toothbrush empty grasp rotating by wrist. Brushing teeth should not be the movement of fingers and arms, but the rotation of the wrist and head. 3.Brush bristles against the gums Rotate the brush bristles. Toothbrush close to the gums above, force moderate rotation of the toothbrush, can not be too fast, to have a rhythm, relying on the bristles rebound to remove plaque bacteria. The inner side of the incisors is deep and the toothbrush is tilted and pulled. The inner side of the incisors because of the curvature, the toothbrush will be erected upward (lower teeth) downward (lower teeth) gently press and pull, in order to really brush to. Fissures harbor a lot of bacteria with the tip of the brush angled in. The fossa is a gap on the plate teeth, to use the toothbrush tip oblique small rapid pull, the approach in place the tooth surface has a sense of friction, and even a brushing sound. Each action is repeated more than 5 times, each brush takes 3 minutes.