| The relationship between mouth opening and computerized tomographic features of posttraumatic bony ankylosis of the temporomandibular joint. | |
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MedLine Citation:
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PMID: 21310355 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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OBJECTIVE: The purpose of this paper was to investigate the relationship between mouth opening and computerized tomography (CT) features in patients with bony ankylosis of the temporomandibular joint. STUDY DESIGN: A series of morphologic parameters-the diameters of bony mass (D1), the width of bony fusion area (D2), the ratio of D2/D1, and the degree of calcification in bony fusion area (D3)-were measured by Mimics 10.0 software. Correlation analysis and stepwise multiple linear regression analysis were the statistical methods used. RESULTS: Nine patients (23.68%) with bony fusion area fully calcified were completely unable to open their mouth, whereas 29 patients (76.32%) with bony fusion area calcified incompletely had a slight degree of mouth opening. No correlation was found between mouth opening and D1. A negative correlation was observed between mouth opening and D2 (r = -0.670; P < .01), between mouth opening and D2/D1 (r = -0.697; P < .01), and between mouth opening and D3 (r = -0.744; P < .01). Multiple stepwise regression analysis identified D2 and D3 as predictive factors of residual mouth opening. CONCLUSIONS: D2 and D3 were independent factors affecting the mouth opening. The insufficient calcification of bony fusion area, which cannot fully limit the motion of ankylosed joint, may be an important cause of residual mouth opening in patients with complete bony ankylosis. |
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Authors:
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Yingbin Yan; Yi Zhang; Zhipeng Sun; Jiangming Li; E Xiao; Jingang An |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Oral surgery, oral medicine, oral pathology, oral radiology, and endodontics Volume: 111 ISSN: 1528-395X ISO Abbreviation: Oral Surg Oral Med Oral Pathol Oral Radiol Endod Publication Date: 2011 Mar |
Date Detail:
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Created Date: 2011-02-11 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9508562 Medline TA: Oral Surg Oral Med Oral Pathol Oral Radiol Endod Country: United States |
Other Details:
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Languages: eng Pagination: 354-61 Citation Subset: D; IM |
Copyright Information:
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Copyright © 2011 Mosby, Inc. All rights reserved. |
Affiliation:
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Resident, Department of Oral and Maxillofacial Surgery, School and Hospital of Stomatology, Peking University, Beijing, China. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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