氟化物广泛存在于自然界中。适量氟对机体起有益作用,而过量摄入氟化物则可引起机体中毒并出现一系列损害。氟斑牙是氟中毒最早和最突出的表现形式,其临床表现主要为同一时期萌出的牙的釉质上有白垩色到褐色的斑块,严重 Fluoride exists widely in nature. Appropriate amount of fluoride play a beneficial role in the body, and excessive intake of fluoride can cause poisoning and a series of body damage. Fluorosis is the earliest and most prominent manifestation of fluorosis, its main clinical manifestations of the same period of eruption of the tooth enamel with chalk to brown plaque, severe