Dental maturity in Finnish children, estimated from the development of seven permanent mandibular teeth

Authors

  • Marjatta Nyström Department of Pedodontics and Orthodontics, University of Helsinki, Helsinki, Finland
  • Johannes Haataja Department of Pedodontics and Orthodontics, University of Helsinki, Helsinki, Finland
  • Matti Kataja Department of Pedodontics and Orthodontics, University of Helsinki, Helsinki, Finland
  • Marjut Evalahti Department of Pedodontics and Orthodontics, University of Helsinki, Helsinki, Finland
  • Leena Peck Department of Pedodontics and Orthodontics, University of Helsinki, Helsinki, Finland
  • Eija Kleemola-Kujala Department of Pedodontics and Orthodontics, University of Helsinki, Helsinki, Finland; National Public Health Institute, Helsinki, Finland

DOI:

https://doi.org/10.3109/00016358608997720

Abstract

Abstract

Overall dental maturity was studied semilongitudinally in a group of 248 healthy children born in Helsinki in 1968-73. In all, 738 orthopantomograms were taken of these children at ages of 2.5-16.5 years. Overall dental maturity was estimated by the method of Demirjian and Goldstein, which is based on the development of seven left mandibular permanent teeth. The aim of the study was to construct dental maturity curves for Finnish children and to compare their dental maturity with that of French-Canadian children studied by the same method. The Finnish children were more advanced in dental maturation than French-Canadian children (p < 0.01). In boys the advancement was seen at the age of 5-10 years and in girls at the age of 4-12 years. These findings suggest differences in overall dental maturity among white population groups. ▪ Dentition; orthopantomography; tooth mineralization

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Published

1986-01-01

Issue

Vol. 44 No. 4 (1986): Acta Odontologica Scandinavica

Section

Articles