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[A complete intermediate temporomandibular joint prosthesis. Evaluation after 6 years]
J F Chassagne1, F Flot, M Stricker
1Service de Chirurgie Maxillo-faciale, CHR, Nancy.
Revue De Stomatologie Et De Chirurgie Maxillo-Faciale
|January 1, 1990
Summary
This study reviews temporomandibular joint (TMJ) prostheses, finding that while the prosthesis design is sound, technical issues like inaccurate positioning and inadequate support cause complications. Improving surgical technique is key to better outcomes for TMJ replacement.
Area of Science:
- Oral and Maxillofacial Surgery
- Biomedical Engineering
- Orthopedic Surgery
Context:
- Over 100 temporomandibular joint (TMJ) prostheses inserted since 1983.
- Review of 72 insertions (62 cases) over a 6-year period.
- Analysis of indications and complications of TMJ prostheses.
Purpose:
- To list indications for TMJ prostheses.
- To study complications associated with TMJ prostheses.
- To identify causes of complications and suggest improvements.
Summary:
- The temporomandibular joint (TMJ) prosthesis is a total intermediary prosthesis with a two-part unsealed cupula.
- Indications include traumatology, fractures, malformations, tumors, and degenerative pathology.
- Complications primarily stem from technical issues like inaccurate positioning and inadequate bicortical support, not prosthesis design.
Impact:
- Highlights the need for refined surgical techniques in TMJ prosthesis insertion.
- Suggests that improvements in prosthesis design are also under consideration.
- Aims to enhance patient outcomes by addressing technical challenges in TMJ reconstruction.