| 3D CT based rating of unilateral impacted canines. | |
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MedLine Citation:
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PMID: 22284273 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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OBJECTIVE: The aim of this study was to develop a reference system for multislice computed tomography (MSCT) images to determine of the location of impacted teeth in metric terms. STUDY DESIGN: The CT data of 17 patients with unilateral impacted maxillary canines were selected retrospectively from existing MSCT data sets. In a reference coordinate system, defined by anterior nasal spine (ANS), posterior nasal spine (PNS), and A-point, the axis length and the inclination of the canines were determined and impacted and non-impacted canines were compared. RESULTS: There were significant differences between the impacted and non-impacted canines (p≤0.0003) for all inclinations and the lengths in the x- and z-axes. The measurement of the inclination and sections of the impacted and non-impacted canine tooth axes showed sufficient repeatability and reproducibility. CONCLUSION: The coordinate system proved to be suitable for the exact metric localization of impacted teeth. |
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Authors:
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Sebastian Hanke; Ursula Hirschfelder; Thomas Keller; Elisabeth Hofmann |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-1-25 |
Journal Detail:
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Title: Journal of cranio-maxillo-facial surgery : official publication of the European Association for Cranio-Maxillo-Facial Surgery Volume: - ISSN: 1878-4119 ISO Abbreviation: - Publication Date: 2012 Jan |
Date Detail:
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Created Date: 2012-1-30 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8704309 Medline TA: J Craniomaxillofac Surg Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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Copyright © 2011 European Association for Cranio-Maxillofacial Surgery. Published by Elsevier Ltd. All rights reserved. |
Affiliation:
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Department of Orthodontics and Orofacial Orthopedics (Head: Prof. Dr. Hirschfelder), Universitätsklinikum Erlangen, Germany. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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