There were analysed 900 patients of both sexes of the age of 9-15 years, from Knjazevac, aiming to find out frequency hypodontia of permanent teeth (without third molars), localization in jaws, number and sort of missing teeth. 48 patients have hypodontia of one or more teeth (5,34%), 18 persons (37,50%) have missing teeth in lower jaw and 5 persons (10,42%) have missing teeth in both jaws. Number of missing teeth was 1 to 16. The prevailing number of children have lack of more teeth. One girl has hypodontia of 16 teeth. Hypodontia is mostly present with lower second premolars, upper lateral incisors, upper second premolars.
