National Dental Caries Prevalence Survey

摘要

Westat conducted the National Dental Caries Prevalence Survey, to gather data on dental caries and gingival health and the needs for dental care among the nation's school children. Data were collected by visual and tactile dental examinations of a multistage probability sample of approximately 40,000 students in grades kindergarten through twelve. Additional data on residential history and type of water supply were collected for each examinee. The data was analyzed by the National Caries Program and results are available directly from the National Institutes of Health.