氟是人体必需的微量元素,摄入过多或过少对身体均有危害。过量的氟对骨骼和牙齿损害最明显,牙受损害后表现为氟斑牙。工业性氟斑牙国内所见报道甚少。笔者在一个钙镁磷矿厂医院工作七年多,发现厂内职工的牙齿着色、易碎、脱落的较多;生长发育期儿童牙釉质钙化不良,实质性缺损尤为 Fluorine is an essential trace element of the human body, excessive intake or too little harm to the body. Excessive fluoride damage to the bones and teeth is most pronounced, and dental implants are characterized by dental fluorosis. Industrial dental fluorosis seen little domestic reports. I worked in a calcium magnesium phosphate hospital for more than seven years and found that the factory workers teeth coloring, fragile, shedding more; growth and development of children with poor enamel calcification, especially for substantial defects