Sökning: "permanent dentition"

Visar resultat 6 - 10 av 13 avhandlingar innehållade orden permanent dentition.

  1. 6. Prevalence of dentinogenesis imperfecta and dental aberrations related to genetic findings in osteogenesis imperfecta

    Författare :Kristofer Andersson; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :;

    Sammanfattning : Osteogenesis imperfecta (OI) is a clinically and genetically heterogeneous connective tissue disorder, mainly caused by mutations in COL1A1 and COL1A2, the genes encoding collagen type I. The cardinal symptoms include bone fragility and varying degrees of growth retardation. LÄS MER

  3. 7. Preterm Infants - Odontological Aspects

    Författare :Marianne Rythén; Göteborgs universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Preterm infants; adolescent; oral hygiene; gingivitis; dental caries; dental enamel; malocclussion; dental arch; tooth size; enamel hypomineralization; dentine; polarized light microscopy; X-ray microanalysis;

    Sammanfattning : ABSTRACT Preterm birth is associated with medical complications and treatments postnatally and disturbances in growth and development. Primary and permanent teeth develop during this postnatal period. LÄS MER

  4. 8. Influence of deciduous canine extractions on incisor alignment, dental arch dimensions and dental fear

    Författare :Anders Sjögren; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :;

    Sammanfattning : Interception of crowding, by extraction of deciduous and permanent teeth, to eliminate or at least facilitate orthodontic treatment has a long tradition. This treatment procedure, know as “guided eruption” or “serial extraction” was re-introduced by Robert Hotz and Birger Kjellgren in 1947-48. LÄS MER

  5. 9. The Origin of Tooth Replacement : Three-dimensional Synchrotron Histology Visualizes the Dental Development of Silurian Stem Osteichthyans

    Författare :Donglei Chen; Per Ahlberg; Zerina Johanson; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES;

    Sammanfattning : Mechanisms of tooth replacement distribute incongruently among extant gnathostomes (jawed vertebrates): a permanent tooth-generating dental lamina exists in chondrichthyans (cartilaginous fish) and tetrapods but not teleosts, whereas tooth shedding by basal hard tissue resorption occurs in tetrapods and teleosts but not chondrichthyans. Theories about the evolution of tooth development have been biased towards the chondrichthyan conveyor-belt replacement, since there has been no fossil evidence for the origin of osteichthyan (bony fish and tetrapods) tooth replacement until now. LÄS MER

  7. 10. On dental health and related factors in Finnish immigrant children in Sweden

    Författare :Agneta Ekman; Anna-Karin Holm; Umeå universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; dental caries; dental health behaviour; dental health education; gingivitis; immigrant children; language; longitudinal;

    Sammanfattning : In the postwar period Swedish communities have become more multicultural. Although there are about 120,000 Finnish immigrant children below the age of 18 in Sweden, knowledge about their dental health is rather sparse. LÄS MER