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Case Reports in Dentistry
Volume 2019, Article ID 8152793, 10 pages
Case Report

Orthodontic Treatment of Ankylosed Maxillary Incisor through Osteogenic Distraction and Simplified Biomechanics

1School of Health and Biological Sciences, Universidade Positivo, Curitiba, Paraná, Brazil
2Department of Orthodontics, Centro de Pós-Graduação Thum/Avantis, Joinville, Santa Catarina, Brazil
3Department of Orthodontics, Federal University of Paraná, Curitiba, Paraná, Brazil

Correspondence should be addressed to Alexandre Moro; rb.moc.lou@oromerdnaxela

Received 6 February 2019; Accepted 2 May 2019; Published 14 July 2019

Academic Editor: Hüsamettin Oktay

Copyright © 2019 Daniel Gheur Tocolini et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Ankylosed teeth may have a significant esthetic and functional impact especially at the anterior segment of the upper arch. Treatment of ankylosed teeth is challenging. The objective of this case report is to describe a clinical case in which an ankylosed tooth was treated with the use of osteogenic distraction associated with simplified orthodontic biomechanics. A 17-year-old female Caucasian patient presented with a Class II malocclusion, severe maxillary dental crowding, moderate mandibular dental crowding, anterior open bite, upper midline deviation to the right, and upper right central incisor in infraocclusion due to ankylosis. Treatment involved the use of the ankylosed tooth as anchorage for the distalization of the right upper segment to correct the Class II malocclusion and to create space prior to surgery. After one week of surgical osteotomy, traction of the tooth and bone segment was initiated with the use of intermaxillary elastics. The ankylosed tooth was moved to the desired position. Bone formation and mucogingival tissue adaptation were observed. Thus, esthetic and functional improvement was achieved. Osteogenic distraction associated with simplified orthodontic biomechanics is an alternative to the treatment of ankylosed teeth which can replace the use of distractor screws, making treatment simpler and more accessible.