关键词: 江苏省中老年人, 牙齿缺失, 义齿修复

Abstract: Objective　To understand the status of tooth loss and denture restoration of middle-aged and elderly people in Jiangsu, and analyze the trend of change, so as to provide a basis for making oral health policies. Methods According to the protocol of the 4th National Oral Health Survey, a multistage stratified random cluster-sampling method was used to enroll adult subjects aged 35 to74 years old in Jiangsu. A total of 450 people were selected, including 146 people aged 35 to 44, 153 people aged 55 to 64 and 151 people aged 65 to 74. The status of tooth loss and denture restoration was investigated. Results Among the 450 subjects investigated, 38.22% had complete dentition, 61.11% had dentition defects, and 0.67% were edentulous. With the increase of age, the rate of complete dentition decreased significantly, the rate of dentition defect increased significantly and the mean of missing teeth increased significantly (P<0.05). The mean of missing teeth was 3.16±5.17, which in rural areas was significantly higher than in urban areas (P<0.05). The rate of restoration of tooth loss was 50.36% in Jiangsu. The detection rate of fixed partial dentures was statistically higher in urban areas than in rural areas (P<0.05). However, the rates of unrepair of tooth loss were significantly lower in urban than in rural areas (P<0.05). With the increase of age, the detection rates of fixed partial dentures, removable partial denture and irregular denture increased significantly (P<0.05). Conclusion The situation of tooth loss and denture restoration in Jiangsu is still not optimistic. It is suggested to improve the oral health care measures, raise the awareness of oral health care among the residents, and improve the level of tooth restoration of middle-aged and elderly people.

Key words: Jiangsu adult population, tooth loss, denture restoration