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一日,口腔科医生接待了一位9岁的小病人罗蓓蓓。陪同蓓蓓看病的奶奶一坐下,便急不可待地对医生诉说道:“大夫,我的小孙子一年前的牙齿还是白白净净、整整齐齐的,现在怎么变成这样了?”医生操起器械,对小蓓蓓的牙齿进行了认真的检查,发现这孩子的牙面普遍粗糙而无光泽,多数牙面上有白垩状的斑点或条纹,有的牙齿变成了黄褐色,还有的变成了黑色,有一颗牙齿还缺了一大块,典型的氟斑牙症状。 “小蓓蓓平时很少吃糖果,怎么也会坏牙齿?”老奶奶奇怪地问道。医生请
On the 1st, the dentist received Luo Beibei, a 9-year-old patient. Granny attending the Beibei doctor’s illness was seated, he would urgently complain to the doctor: “Doctor, my little grandson a year ago, the teeth are neat and neat, neat, and now how to become like this? ”Doctors manipulated equipment, a small Beibei teeth carefully examined and found that children’s teeth are generally rough and dull, most of the tooth surface with chalky spots or stripes, and some teeth into a yellow Brown, and others turned black with one tooth missing a large, typical form of dental fluorosis. “Little Beibei usually seldom eat candy, how can bad teeth? ” Grandma asked strangely. Please, doctor