This report describes the results of the baseline examinations in the National Preventive Dentistry Demonstration Program. It concentrates on the observed relationships of dental disease to background and demographic characteristics of the children. Chapter 1 describes the program and the procedures that were used to collect the baseline examination and demographic data. Chapter 2 provides information about the characteristics of the children in the data analysis population. Chapter 3 describes the statistical procedures that were used to analyze the data. Chapters 4, 5, and 6 compare the results of these analyses with the findings of other major studies of the prevalence of dental disease in children. Chapter 7 relates the major findings of the report to each other.