我国古代即有人主张早晚漱口以清洁口腔,以后又有人主张以浓茶水漱口,他们虽不了解茶水中含氟,能起到预防龋齿的作用,但可以说古人已意识到需要注意口腔卫生。经过若干年代以后,即产生了专为口腔保健的洁牙剂。洁牙剂由开始的水状、粉状发展成现代的膏状,即牙膏。 由于人们对牙膏的需求,促进 In ancient China, some people advocate that morning and evening mouthwash to clean the mouth, then some people advocate to rinse with tea, although they do not understand the fluorine in tea, can play a role in preventing dental caries, but can be said that the ancients have realized the need to pay attention to oral hygiene . After a number of years, dentifrice has been created for oral hygiene. Dentifrice from the beginning of the water-like, powder developed into a modern paste, that toothpaste. Because of the demand for toothpaste, promotion