[Statistical survey of malocclusion in school age children].

The authors describe the results of a research aiming to define the frequency of malocclusion in a sample of 242 subjects frequenting the Prymam School in the Pavia district. At the same time relation between caries and malocclusion have been researched. The importance of habit and bottle-feeding in producing malocclusions is emphasized. The Authors point out the improvement of frequency of malocclusions in comparison with the previous researches.