A1 Refereed original research article in a scientific journal
Dental and dentoalveolar dimensions in individuals with osteogenesis imperfecta
Authors: Waltimo-Sirén Janna, Tuurala Henri, Säämäki Ella, Holst Petteri, Evälahti Marjut, Arponen Heidi
Publisher: TAYLOR & FRANCIS LTD
Publication year: 2021
Journal: Acta Odontologica Scandinavica
Journal name in source: ACTA ODONTOLOGICA SCANDINAVICA
Journal acronym: ACTA ODONTOL SCAND
Volume: 79
Issue: 5
First page : 390
Last page: 395
Number of pages: 6
ISSN: 0001-6357
eISSN: 1502-3850
DOI: https://doi.org/10.1080/00016357.2021.1881160
Web address : https://www.tandfonline.com/doi/full/10.1080/00016357.2021.1881160
Self-archived copy’s web address: https://research.utu.fi/converis/portal/detail/Publication/53655994
ObjectiveThis cross-sectional study compared tooth and dental arch dimensions of individuals with Osteogenesis imperfecta (OI) and healthy controls.
Material and MethodsThe 37 OI patients and 37 controls were aged 10 to 74 years. Mesio-distal tooth size, dental arch dimensions, and palatal height were measured from dental models. The differences between the patient and control groups were analysed statistically with a t-test, chi-square test, and Mann-Whitney U test.
ResultsThe average mesio-distal tooth size of individuals with OI was smaller by 0.1 to 0.8 mm, corresponding to 1.4 to 7.3% of the size of the tooth. The patients and controls showed similar anterior-posterior lengths of maxillary and mandibular arches. The OI patient group exhibited increasingly wider maxillary dental arches posterior to the canines and a shallow palate.
ConclusionsReduced tooth size is a developmental feature of OI and a shallow palate a characteristic possibly associated with previously documented imparity of vertical jaw development. Observed posterior widening of the dental arches may follow from altered tongue position. Smaller tooth size can be favourable from orthodontic point of view in alleviating crowding, but it might further predispose to fracturing of teeth which is a considerable risk associated with dentine abnormality. The shallow jawbones may initiate development of posterior open bite, rare in general population but relatively often encountered in OI.
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