Document Detail

Success of zygomatic plate-screw anchorage system.
MedLine Citation:
PMID:  20171478     Owner:  NLM     Status:  MEDLINE    
PURPOSE: To evaluate the success of zygomatic plate-screw anchorage and to define the key points that help to improve the success of this system. MATERIALS AND METHODS: A total of 74 zygomatic plate-screw anchors were applied to 37 patients from 2 groups receiving orthodontic treatment. The first group consisted of 19 patients, and the zygoma anchors were applied bilaterally to distalize the maxillary buccal segment. The second group consisted of 18 patients, and the zygoma anchors were applied bilaterally to stabilize the maxillary molars during maxillary canine retraction. The orthodontic force was applied 1 week after the insertion of the plates. In the first group, 450 g of direct force and in the second group 150 g of indirect force were applied to the zygomatic plates. The success rate of the zygomatic plate-screw anchorage system was evaluated. RESULTS: One plate was lost and the others remained stable all through the orthodontic treatment. Mild gingival inflammation was observed in 1 patient (2 plates), and pus formation was detected in 1 patient (2 plates). One plate was covered because of mucosal hypertrophy. CONCLUSION: Zygomatic plate-screw anchorage system is a reliable technique to obtain orthodontic anchorage and may eliminate the need for extraoral force. However, the surgical insertion technique, position of the plates, and oral hygiene status of the patients certainly influence the success of the system.
Tamer Ero?lu; Bur?ak Kaya; Alev Cetin?ahin; Ay?a Arman; Sina U?kan
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Publication Detail:
Type:  Evaluation Studies; Journal Article    
Journal Detail:
Title:  Journal of oral and maxillofacial surgery : official journal of the American Association of Oral and Maxillofacial Surgeons     Volume:  68     ISSN:  1531-5053     ISO Abbreviation:  J. Oral Maxillofac. Surg.     Publication Date:  2010 Mar 
Date Detail:
Created Date:  2010-02-22     Completed Date:  2010-03-15     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8206428     Medline TA:  J Oral Maxillofac Surg     Country:  United States    
Other Details:
Languages:  eng     Pagination:  602-5     Citation Subset:  AIM; D; IM    
Copyright Information:
Copyright (c) 2010 American Association of Oral and Maxillofacial Surgeons. Published by Elsevier Inc. All rights reserved.
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MeSH Terms
Bone Plates
Bone Screws
Dental Stress Analysis*
Orthodontic Anchorage Procedures / instrumentation*
Tooth Movement / instrumentation
Young Adult
Zygoma / surgery*

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

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