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  • Title: Prevalence of malocclusion in 6-year-old Icelandic children.
    Author: Johannsdottir B, Wisth PJ, Magnusson TE.
    Journal: Acta Odontol Scand; 1997 Dec; 55(6):398-402. PubMed ID: 9477034.
    Abstract:
    The prevalence of different malocclusion features was investigated in 396 6-year-old Icelandic children, using the epidemiologic registration method described by Björk et al. in 1964. Girls were ahead of boys with regard to dental stage (P < 0.01). One or more permanent teeth were congenitally missing in 5% of the children. Postnormal occlusion was found in 27% of the boys and in 31% of the girls, and prenormal occlusion was found in 6% and 5%, respectively. Straight terminal plane at the second deciduous molars was found in individuals with either normal or postnormal occlusion. Thus, it can be misleading to use the relation of the terminal planes as a measurement of the sagittal relation between the jaws. The prevalence of hypodontia was much lower than has been reported previously for Icelandic children.
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