[A caries survey in Shanghai Penglai district]

OBJECTIVE: Investigate the oral epidemic disease occurance to get the essential data and provide the standard for supervising the result of education of oral health and the measures of oral epidemic disease probation.METHODS:Random sample by equal proportion and divide into groups.The standard of second whole national investigation of oral epidemic disease is accepted in this investigation.RESULTS:The caries prevalence rate are:5 year old group 63.1% 12 year-old group 28.6% 15 year-old group 31.8%,18 year-old group 43.6%,35-44 year-old group 41.3%,65-74 year-old group 61.8%.CONCLUSION:This statistics states:(1)The rates of caries have distinguish differences between different age groups.(2)The caries prevalence rate and the DMFT is rather less than the result of Shanghai area which join the second whole national investigation of oral epidemic disease.