刷牙是为了除去牙上粘的食物残渣和细菌,按摩牙龈。为了加强刷牙的效果,就发明了牙粉及牙膏。牙膏中主要原料是磨擦剂,它可增加去污作用、就如同我们平常在洗刷磁器时使用去污粉一样。刷牙时有许多泡沫,这是由于牙膏里加入了肥皂类的物质,它也有去污的作用。牙膏内还有一些芳香料,可以舒适爽口。随着科学的发展,根据口腔的常见病和多发病,工厂分别生产了防龋、防牙周病、防感和脱敏、除锈的牙膏。这些药物成分的加入,使牙膏不但能洁牙固齿 Brushing your teeth to remove sticky food debris and bacteria, massage the gums. In order to enhance the effect of brushing, toothpaste and toothpaste were invented. Toothpaste is the main raw material of friction agent, which can increase the decontamination, just as we usually wash the instrument when using the same decontamination powder. There are many bubbles when brushing teeth, which is due to toothpaste added soap substances, it also has the role of decontamination. Toothpaste there are some aromatic materials, you can comfortably refreshing. With the development of science, according to the common and frequently occurring oral diseases, the factory produces toothpaste which is anti-caries, anti-periodontal disease, anti-sense and desensitization, and derusting respectively. The addition of these ingredients makes toothpaste not only clean teeth