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Volume 21, Number 1 & 2, March & June 2009

Effect of a Surgical Approach on the Intra-articular Architecture of the Temporomandibular Joint — an Animal Study

Nobumi Ogi,1 Kenichi Kurita,2 Jun-Ichi Ishimaru,3 Alastair N Goss4
1Department of Maxillofacial Surgery, and 2Department of Oral and Maxillofacial Surgery, Aichi-Gakuin University School of Dentistry, Nagoya, and 3Oral and Maxillofacial Surgery, Gifu Prefectural General Medical Centre, Gifu, Japan, and 4Oral and Maxillofacial Surgery Unit, The University of Adelaide, Adelaide, Australia

This study investigated the effect of a surgical approach on the intra-articular architecture of the temporomandibular joint.
Materials and Methods: The temporomandibular joints of 4 merino sheep were subject to surgical exposure without intra-articular surgery. The animals were sacrificed 3 months following the operation. Four unoperated joints from 4 other sheep served as controls. The surgically approached joints and the unoperated control joints were evaluated and compared radiologically, macroscopically, and histologically.
Results: The surgically approached joints did not develop any degenerative changes. No significant differences were found between the surgically approached joints and the control unoperated joints.
Conclusion: Study results indicate that a surgical approach alone has no intra-articular effects on the architecture of the temporomandibular joint.

Key words: Surgical procedures, operative, Temporomandibular joint

Asian J Oral Maxillofac Surg. 2009;21:5-9.
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