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牙膏每月换一种口腔医学专家认为，每月更换一次牙膏的类型，是一种科学的使用牙膏方法。目前的牙膏，基本可分为两类。一是普通类型，一类是疗效类型。普通类型牙膏主要成分为摩擦剂、去垢剂、泡沫剂、结合剂、保湿剂、调味剂、香精、防腐剂等。而疗效类型牙膏除含上述成...
Toothpaste for a different oral medicine experts believe that changing the type of toothpaste once a month is a scientific method of using toothpaste. The current toothpaste, the basic can be divided into two categories. First, the general type, one is the type of effect. Common types of toothpaste main components for the friction agent, detergent, foam, binder, humectants, flavoring agents, flavors, preservatives and so on. The efficacy of type toothpaste in addition to the above ...