Analysis of oral health status of middle aged people in Gansu Province

Abstract：AIM: To explore the oral health status of middle aged people in Gansu Province and getscientific information for the oral health prevention. METHODS: An equal - sized stratified multi - stage random sampling design was applied in the investigation. According to the standard and method used in the third national oral health epidemiologic investigation, the oral health investigation was made to 791 people aged from 35 - 44 in Gansu. RESULTS:The caries prevalence rate was 62. 58%. There was no difference between urban and rural samples (P > 0.05). But the caries prevalence rate of femal was higher than male(P < 0.05). The mean dental crown caries was 1.89 and root caries was 1.01 respectively. The detection rates of gingival bleeding, dental calculus ,periodontal pocket and periodontal attachment loss were 93.55% , 99.37% ,60.93% and 38.18% respectively. All the detection rates were higher than the results of the third national oral health epidemiologic investigation. The detection rate of diseases of oral macosa was 6. 70%. The dentition defection rate was 36. 41% and the repaired rate was 35. 42%. The main denture - prosthesis was removable partial dentures and irregular fixed bridge . The rate of removable partial dentures was higher in female and rural than in male and urban. CONCLUSION: In general, the oral healthy status of middle aged people in Gansu province is not ideal. The prevalence of caries and periodontal disease is serious. It is essential to strengthen the oral health education and guide them to have good oral healthy habit and correct medical treatment behavior, so as to prevent oral diseases and improve their life quality.