氟是人体可能必需的微量元素,适量摄入可对机体代谢产生积极影响。氟亦可通过降低釉质溶解度和促进再矿化、对微生物产生作用达到预防龋病的目的。氟化物应用可分为全身应用和局部应用。目前在我国,局部用氟已成为广泛使用、安全有效的防龋方法之一。 Fluorine is a trace element that may be necessary for human body. Moderate intake can have a positive impact on body metabolism. Fluorine can also reduce the enamel solubility and promote remineralization, the role of microorganisms to achieve the purpose of prevention of dental caries. Fluoride applications can be divided into systemic applications and topical applications. Currently in our country, partial fluoride has become one of the widely used, safe and effective anti-caries methods.