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Published in: BMC Musculoskeletal Disorders 1/2010

Open Access 01-12-2010 | Research article

Temporomandibular joint disc repositioning using bone anchors: an immediate post surgical evaluation by Magnetic Resonance Imaging

Authors: ShanYong Zhang, XiuMing Liu, XiuJuan Yang, Chi Yang, MinJie Chen, Majd S Haddad, ZhuoZhi Chen

Published in: BMC Musculoskeletal Disorders | Issue 1/2010

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Abstract

Background

Open joint procedures using bone anchors have shown clinical and radiograph good success, but post surgical disc position has not been documented with MRI imaging. We have designed a modified technique of using two bone anchors and 2 sutures to reposition the articular discs. This MRI study evaluates the post surgical success of this technique to reposition and stabilize the TMJ articular discs.

Methods

Consecutive 81 patients with unilateral TMJ internal derangement (ID) (81 TMJs) were treated between December 1, 2003, and December 1, 2006, at the Department of Oral and Maxillofacial Surgery, Ninth Peoples Hospital, Shanghai, Jiao Tong University School of Medicine. All patients were subjected to magnetic resonance imaging before and one to seven days post surgery to determine disc position using the modified bone anchor technique.

Results

Postoperative MRIs (one to seven days) confirm that 77 of 81 joints were identified as excellent results and one joint was considered good for an overall effective rate of 96.3% (78 of 81 joints). Only 3.7% (3 of 81) of the joints were designated as poor results requiring a second open surgery.

Conclusions

This procedure has provided successful repositioning of the articular discs in unilateral TMJ ID at one to seven days post surgery.
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Metadata
Title
Temporomandibular joint disc repositioning using bone anchors: an immediate post surgical evaluation by Magnetic Resonance Imaging
Authors
ShanYong Zhang
XiuMing Liu
XiuJuan Yang
Chi Yang
MinJie Chen
Majd S Haddad
ZhuoZhi Chen
Publication date
01-12-2010
Publisher
BioMed Central
Published in
BMC Musculoskeletal Disorders / Issue 1/2010
Electronic ISSN: 1471-2474
DOI
https://doi.org/10.1186/1471-2474-11-262

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