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107 individuals, randomly selected from the County of Göteborg and Bohuslän, all born in 1970 were followed regarding the dental care received 1987-1989. The records of each individual from the actual time were collected and information on diagnosis and treatment measures was gathered. Radiographs from the actual time were studied by one of the authors. Sixty-two per cent of the adolescents had been examined and treated all 3 years. Six percent had not been seen at all. The sample was divided into three groups depending on the patient's DFSa value at the examination the first year. This classification appeared to correlate well with caries development in the following years. One-fourth of the sample was responsible for the major part of the non-attendance and late cancellations. The dental health of these subjects was below average, and non-attendance seemed to be a further risk factor. The preventive measures undertaken during the study appeared to correlate poorly with the actual situation of the patient and the presence or absence of potential risk factors.

107 Swedish subjects, all 20 years old, were studied for the first three years (1990-1992) after they had left the organised dental care for children and adolescents (which is free of charge for all youth through the age of 19). They were registered in four different risk-grouping systems in order to estimate the amount of their future dental care. Three of the systems used registrations from the Public Dental Service records and in the fourth one a dentist made a subjective estimation. The follow-up used dental insurance claims to study performed treatments, courses of treatments and cost. The risk group system that used subjective estimations appeared to be the one that most accurately predicted the actual dental care consumption. Approximately 70% of the subjects received some kind of dental care during the three years. The distribution was not confined to any particular risk group. Ten per cent had received complete dental care annually. Twenty-five per cent went to a private dentist and 75% continued to go to the Public Dental Service. Those who went to a private dentist received substantially more treatment and the annual cost was a little more than twice as much as in the Public Dental Service.

The aim of this study was to map dentist' work location and put it in relation to the place where they went to secondary school. All dentists in Sweden who graduated from Swedish dental schools in 1983/84, 1984/85 and 1985/86 were studied. For all these the place where they went to secondary school and the place where they work as dentists were registered. Sweden was divided into 14 areas: central, middle and remote with respect to urbanisation, location of dental schools etc. All dentists were placed in one of the 14 areas according to their secondary school education and where they worked as active dentists. This clearly showed that dentists very often go back to the area where they have had their secondary school education.

The number of applicants to the dental schools in Sweden 1968-1987 has been documented. It was shown that there was a large number of applicants up to 1980. Then the number dropped dramatically. It was at its lowest in 1985 but increased slowly after this date. The number of applicants was related to other variables: the birth rate, education capacity, real wage and unemployment. A correlation and time series analysis shows that only real wage has an impact on the number of applicants. The number of applicants has also been related to the examination rate. The results show that the examination rate decreases when the application rate is going down.