含氟牙膏预防龋齿早已深入人心,提起口腔保健,人们首先想起的一定是含氟牙膏。但是专家指出,含氟牙膏虽然有效防治龋齿,但也有副作用,使用不当会导致氟牙症。氟的防龋作用与产生毒性间的界限很小,摄入过量氟牙齿会产生斑 Fluoride toothpaste to prevent dental caries has been deeply rooted among people, lifting oral health care, people first think must be fluoride toothpaste. However, experts pointed out that fluoride toothpaste, although effective prevention and treatment of dental caries, but also have side effects, improper use can cause dental fluorosis. Fluoride anti-caries and toxic effects of the small boundaries between the intake of excessive fluoride teeth will have spots