Many people are accustomed to horizontal brushing, in fact, this method is not only difficult to clean the tartar between the teeth, but also on the surface of the teeth enamel and gums caused by wear and tear, and not scientific. The best way to brush is to let the brush head oblique to the gums 45 degrees, circular massage, this method can be multi-angle on the teeth and gums comprehensive cleaning. In addition, it is recommended that after brushing, and then use dental floss to clean the dirt in the crevices of the teeth is difficult to be brushed out. There are also people in the teeth before brushing, like to dip wet toothbrush, think so that the toothpaste is easier to foam, will brush more clean. In fact, a lot of foam, easy to make people have the illusion that the teeth wrapped in foam has been brushed, and ignore to carefully brush each tooth. In fact, the correct method is that the toothbrush is not wet, squeeze the toothpaste and then slowly brush, the secretion of saliva will allow the toothpaste to produce a small amount of foam, and its cleaning ingredients can also play to the maximum effect. In addition, the dentist pointed out: 1, people who brush their teeth 3 times a day should change their toothbrush once a month. 2, suffering from gingivitis and other oral diseases, it is best to change the toothbrush 3 weeks. 3, if you suffer from colds and other infectious diseases, when you get well, you should change a new toothbrush. Usually also pay attention to the toothbrush cleaning and sterilization. Dentist tips: 1, before using a new toothbrush, put it in hot water first, not only can soften the bristles, but also sterilization. 2, after each brush, the toothbrush should be rinsed under running water, only in the cup can not be cleaned. 3, after using the toothbrush for 7 days, it is time to clean the bottom of the bristles with a clean white cotton thread. Every 15 days, disinfect your toothbrush with a harmless disinfectant.