长期使用具有杀菌作用的药物牙膏,会使口腔中的致病菌产生抗药性,而且还会在杀灭致病菌的同时,破坏口腔中的正常菌群,使口腔的“生态平衡”遭到破坏,从而引发口腔疾病。一般来讲,只要刷牙方法正确,普通牙膏就能达到清洁牙齿和保健口腔的作用。如果患有严重的口腔疾病(如牙周炎? Long-term use of the drug has a bactericidal effect of toothpaste, oral bacteria will produce resistance to pathogens, but also in killing pathogens at the same time, destroy the normal oral flora, the oral “ecological balance” suffered Destruction, which led to oral disease. In general, as long as the correct method of brushing, ordinary toothpaste can achieve the role of cleaning teeth and health care oral. If you have a serious oral disease (such as periodontitis?