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城乡人群口腔自我保健知识的水平对口腔疾病的影响关系密切。我们于１９９５年参与了广东省口腔健康流行病学调查，取得了广东省城乡自我保健知识抽样调查资料，为开展牙病防治工作提供科学的依据。对象和方法１．调查对象：采取分层，整群抽样的方法，随机抽取城乡常住人...
The level of oral self-care knowledge in urban and rural areas has a close relationship with oral diseases. We participated in the epidemiological investigation of oral health in Guangdong Province in 1995 and obtained sample survey data of self-care knowledge in urban and rural areas of Guangdong Province, which provides scientific basis for the prevention and treatment of dental diseases. Objects and Methods 1. Survey target: adopt stratified, cluster sampling method, randomly select urban and rural residents;