Document Detail

Failure after closed traction of an unerupted maxillary permanent canine: Diagnosis and treatment planning.
MedLine Citation:
PMID:  21724096     Owner:  NLM     Status:  MEDLINE    
This report describes the treatment of a 13-year-old girl with unerupted maxillary permanent canines. It illustrates how recognizing an unexpected problem influenced the decision-making process. Despite 6 months of closed-eruption traction, the left canine had not erupted. However, the neighboring teeth were intruded, suggesting a diagnosis of canine ankylosis. When the site was surgically reopened, the wire chain used for the orthodontic traction appeared to be osseointegrated. It was renewed, and traction was applied for another 16 months, and the tooth was successfully brought into the arch. Bone tissue passing through the chain might have prevented forced eruption. In young patients with unerupted maxillary permanent canines, failure of closed traction can be attributed to ankylosis, and this accounts for tooth extraction as the treatment of choice. However, this clinical report suggests that additional measures might be warranted before the definitive diagnosis of ankylosis can be made and the tooth extracted.
Giulio Alessandri Bonetti; Serena Incerti Parenti; Giuseppe Daprile; Marco Montevecchi
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Publication Detail:
Type:  Case Reports; Journal Article    
Journal Detail:
Title:  American journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics     Volume:  140     ISSN:  1097-6752     ISO Abbreviation:  Am J Orthod Dentofacial Orthop     Publication Date:  2011 Jul 
Date Detail:
Created Date:  2011-07-04     Completed Date:  2011-08-30     Revised Date:  2012-03-05    
Medline Journal Info:
Nlm Unique ID:  8610224     Medline TA:  Am J Orthod Dentofacial Orthop     Country:  United States    
Other Details:
Languages:  eng     Pagination:  121-5     Citation Subset:  D; IM    
Copyright Information:
Copyright © 2011 American Association of Orthodontists. Published by Mosby, Inc. All rights reserved.
Department of Orthodontics, School of Dentistry, University of Bologna, Italy.
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MeSH Terms
Cuspid / pathology*
Diagnostic Errors*
Orthodontic Extrusion* / instrumentation
Orthodontic Wires / adverse effects
Patient Care Planning
Radiography, Panoramic
Tooth Ankylosis / diagnosis*
Tooth, Impacted / radiography,  therapy*
Treatment Failure
Comment In:
Am J Orthod Dentofacial Orthop. 2012 Feb;141(2):132-3; author reply 133   [PMID:  22284275 ]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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