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对陕西省城乡２０４２名６岁儿童及２０５６名１２岁儿童进行了患龋情况的调查。结果表明：６岁儿童乳牙龋均和患龋车男女间无显著性差异；１２岁儿童恒牙龋均和患龋中女性明显高于男性；城市）Ｌ童乳恒牙龋均和患龋率均较农村儿童显著升高。与本省１９８３年的资料比较，虽然有些指标已达到ＷＨＯ所要求的目标，但城市儿童乳牙患塘中较高。提示今后应进一步加强城市学龄前儿童的口腔预防保健工作。
A total of 2042 6-year-old children and 2056 12-year-old children in urban and rural areas of Shaanxi Province were investigated for caries. The results showed that there was no significant difference between caries-bearing caries in 6-year-old children and those in caries-bearing caries. The average caries in 12-year-old children was significantly higher than that in men. The prevalence of caries Compared with rural children were significantly higher. Compared with the data from 1983 in our province, although some of the indicators have reached the target set by the WHO, urban children have higher levels of deciduous teeth. It is suggested that oral preventive health care for preschool children should be further strengthened in the future.