Journal Article

Eruption of premolars subsequent to autotransplantation. A longitudinal radiographic study

HU Paulsen and JO Andreasen

in The European Journal of Orthodontics

Published on behalf of European Orthodontics Society

Volume 20, issue 1, pages 45-55
Published in print February 1998 | ISSN: 0141-5387
Published online February 1998 | e-ISSN: 1460-2210 | DOI: http://dx.doi.org/10.1093/ejo/20.1.45
Eruption of premolars subsequent to autotransplantation. A longitudinal radiographic study

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One-hundred-and-eighteen premolars transplanted at a stage with 3/4 to 4/4 root development with an open apical foramen were followed using a standardized clinical and radiographic technique for signs of periodontal ligament healing, root development, and tooth eruption. Root growth was unimpeded in 26 per cent, impaired in 55 per cent, and arrested in 19 per cent. Eruption of transplants occurred at the time of periodontal and alveolar healing, and before any significant root growth. Furthermore, autotransplanted premolars created growth of the alveolar process along with the eruption process.

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Subjects: Restorative Dentistry and Orthodontics

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