牙列缺损、缺失是老年人常见的口腔疾患。为了解社会人口学因素与老年人牙列缺损、缺失和修复之间的关系,笔者于2008-2009年分次对牡丹江市城乡60岁及以上老年人进行调查,现将结果报告如下。1对象与方法1.1调查对象采用非概率滚雪球抽样方法,共调查4 856例60岁以上老年人。 Dentition defect, the loss of the elderly is a common oral disease. In order to understand the relationship between socio-demographic factors and dentition defect, deletion and repair in the elderly, the author conducted a survey on elderly people aged 60 years and over in urban and rural areas in Mudanjiang in 2008-2009. The results are reported as follows. 1 Subjects and methods 1.1 The survey using non-probability snowball sampling method, a total of 4 856 cases of 60 years of age or older were investigated.