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Type: Journal article
Title: Costochondral grafts in reconstruction of the temporomandibular joint after condylectomy: an experimental study in sheep
Author: Matsuura, H.
Miyamoto, H.
Ishimaru, J.
Kurita, K.
Goss, A.
Citation: British Journal of Oral & Maxillofacial Surgery, 2001; 39(3):189-195
Publisher: Churchill Livingstone
Issue Date: 2001
ISSN: 0266-4356
Statement of
H. Matsuura, H. Miyamoto, J. -I. Ishimaru, K. Kurita and A. N. Goss
Abstract: The purpose of this study was to investigate the effect of costochondral grafts in the temporomandibular joint (TMJ) in sheep. Five pure-bred adult Merino sheep were used. The condyle alone was resected and replaced with a costochondral graft from the 13th rib. The sheep were killed 3 months after operation. The range of jaw movements before and after operation and at death were recorded. The joints were examined radiologically, macroscopically, and histologically. A new condylar head with normal configuration and function developed. Histologically, the chondrocytes were arranged in a fashion similar to that of a normal joint. All inferior joint spaces showed fibrous adhesions between the condylar head and disc. This study showed that, when such grafts are used to replace the condyle in an otherwise normal sheep TMJ, they fused to the ramus and reconstituted a nearly normal, fully functional joint.
Keywords: Cartilage; Mandibular Condyle; Temporomandibular Joint; Animals; Sheep; Range of Motion, Articular; Oral Surgical Procedures; Arthroplasty; Bone Transplantation; Reconstructive Surgical Procedures; Analysis of Variance; Statistics, Nonparametric; Chondrogenesis
Description: Copyright © 2001 The British Association of Oral and Maxillofacial Surgeons. All rights reserved.
RMID: 0020010699
DOI: 10.1054/bjom.2001.0622
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Appears in Collections:Dentistry publications

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