An epidemiologic study of occlusal anomalies in relation to development of the dentition in Icelandic children

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Abstract
Abstract— The purpose of the investigation was to determine the prevalence of occlusal anomalies in relation to dental stages (DS) in Icelandic schoolchildren, and to compare it with results from other Scandinavian countries and Ireland found on the basis of the same method. The material consisted of 1,641 randomly selected children, 791 boys and 850 girls, corresponding to 9.5 % of the total primary and secondary school population of Reykjavík. A significant sex difference was only recorded in the frequencies of two of the single morphologic traits of occlusal anomalies, the boys showing higher frequencies in deep bite and in scissors‐bite. Significant differences in the occurrence of occlusal anomalies in Iceland and Denmark were only found in two out of 108 pairs of frequencies.

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