[Longitudinal study of the denture condition of young people between the age of 16 and 18].

Medical evidence on the extension and progression tendency of caries and periodontal diseases have been made by OHI/S, DMF/T-index as well as CPITN with the help of 555 apprentices at the beginning of their vocational training. Shortly before finishing their apprenticeship 415 of then had been examined again in the course of which had to be find out how their teeth-formation had worsened according to periodic examination within 18 month. The results show a clear deterioration of the oral state of health, but evidently indicate that corrections can be gained by continuous care, prevention and early diagnosis.