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Magnetic resonance imaging evaluation of temporomandibular joint and associated soft tissue changes following acute condylar injury.
MedLine Citation:
PMID:  23141983     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
PURPOSE: This study evaluated the role of magnetic resonance imaging (MRI) in cases of acute condylar injury and assessed soft tissue damage such as disc displacement, capsular tear, and hemarthrosis within the temporomandibular joint (TMJ).
PATIENTS AND METHODS: This prospective study was conducted in 15 patients who presented with unilateral or bilateral condylar fracture or contusion with a unilateral or bilateral diagnosis of TMJ sprain/strain. Patients with trauma of less than 7 days previously with a unilateral or bilateral condylar fracture or contusion with a diagnosis of TMJ sprain/strain were included in the present study. The clinical diagnosis of TMJ sprain was made and further classified and graded according to the severity and type of injury. On confirmation of the diagnosis of condylar injury, patients underwent evaluation by MRI. All patients were treated by closed reduction of the condylar fracture and intermaxillary fixation for 14 to 21 days.
RESULTS: Of the 15 patients, 5 were children and 10 were adults. Of all 17 TMJ cases (2 bilateral, 13 unilateral), 2 condylar fractures were of the high variety and 13 were of the low variety. MRI diagnosis of disc displacement was established in 8 of 17 TMJ cases. There was a significant association between degrees of condylar injury and the MRI diagnosis of displaced disc and hemarthrosis. However, an MRI finding of capsular tear was not significantly associated with the degree of condylar injury.
CONCLUSIONS: Soft tissue changes of the TMJ can be predicted accurately by MRI and are in direct proportion to the severity of the condylar injury of the mandible. Among the soft tissue changes, disc displacement and hemarthrosis seem to affect the outcome of functional treatment.
Authors:
Amit Nandan Dhar Dwivedi; Richik Tripathi; Prashant K Gupta; Suchi Tripathi; Sunny Garg
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of oral and maxillofacial surgery : official journal of the American Association of Oral and Maxillofacial Surgeons     Volume:  70     ISSN:  1531-5053     ISO Abbreviation:  J. Oral Maxillofac. Surg.     Publication Date:  2012 Dec 
Date Detail:
Created Date:  2012-11-12     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8206428     Medline TA:  J Oral Maxillofac Surg     Country:  United States    
Other Details:
Languages:  eng     Pagination:  2829-34     Citation Subset:  AIM; D; IM    
Copyright Information:
Copyright © 2012 American Association of Oral and Maxillofacial Surgeons. Published by Elsevier Inc. All rights reserved.
Affiliation:
Assistant Professor, Department of Radiodiagnosis and Imaging, Institute of Medical Sciences, Banaras Hindu University, Varanasi, India. Electronic address: amitnandan21@yahoo.com.
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