氟斑牙是牙齿发育时期人体摄入含氟量过高饮水所造成的牙釉质发育障碍,主要临床特点为牙釉质表面出现着色的斑块和缺损,多见于恒牙,乳牙少见。轻度牙釉质有白垩色条纹或不规则的颜色发暗区;中度牙釉质表面有广泛的色素沉着[1],黄褐色或茶褐色的斑块;重度牙釉质表面具有严重发育不全,造成缺损及牙齿表面形态改变,其颜色可呈黑褐色或棕色。 Dental fluorosis is the developmental period of human teeth fluoride intake caused by excessive drinking water enamel developmental disorders, the main clinical features of the enamel surface appear colored plaques and defects, more common in permanent teeth, deciduous teeth rare. Mild enamel with chalky stripes or irregular color dark areas; moderate enamel surface with extensive pigmentation [1], brown or brown patches; severe enamel surface with severe hypoplasia, resulting in defects And the tooth surface morphology changes, the color can be dark brown or brown.