Dental caries and mottled enamel are inverse ratio.
氟牙症和龋齿的病情呈反比关系。
Mottled enamel will also occur on the healthy teeth which have grown in the high fluoride area.
在高氟地区即使是生长健康的牙齿还可以患氟牙症。
Of the patients suffering from arsenic-fluoride poisoning, the incidence of dental caries and periodontal is higher while the morbidity of mottled enamel is lower.
砷氟联合中毒患者中龋齿和牙周病的患病率较高，而氟牙症的患病率较低。
Of the patients suffering from arsenic-fluoride poisoning, the incidence of dental caries and periodontal is higher while the morbidity of mottled enamel is lower.
砷氟联合中毒患者中龋齿和牙周病的患病率较高，而氟牙症的患病率较低。
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