Long-term follow-up of the CAD/CAM patient fitted total temporomandibular joint reconstruction system

Mercuri, Louis G.; Wolford, Larry M.; Sanders, Bruce; White, Richard D.; Giobbie‐Hurder, Anita

doi:10.1053/joms.2002.36103

Cited by 159 publications

(79 citation statements)

References 12 publications

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“…The success of joint replacement surgeries significantly depends on the number of prior surgeries with better outcomes for patients with fewer previous TMJ surgeries. 66,67,84,112,115 Self-Care…”

Section: Treatment Options For Tmdmentioning

confidence: 99%

“…99 Compared to the ''off-the-shelf'' implant devices, a patient-fitted Techmedica/TMJ Concepts prosthesis provides a better fit and stabilization of its components to the host bone thereby mitigating any micro-movement leading to loosening of the components and maximizing the opportunity for osseointegration of components and fixation screws. 65,67,112 Osseointegration can contribute to improved patient function and decreased micro-movement, which limits overall prosthesis wear and stress. 112 Based on material selection, treatment philosophy, and clinical experience, this implant is reported to have provided the service life of up to 14 years without evidence of untoward wear or failure.…”

Section: Techmedica/tmj Concepts Tmj Implantmentioning

confidence: 99%

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Temporomandibular Joint: Disorders, Treatments, and Biomechanics

2009

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Temporomandibular joint (TMJ) is a complex, sensitive, and highly mobile joint. Millions of people suffer from temporomandibular disorders (TMD) in USA alone. The TMD treatment options need to be looked at more fully to assess possible improvement of the available options and introduction of novel techniques. As reconstruction with either partial or total joint prosthesis is the potential treatment option in certain TMD conditions, it is essential to study outcomes of the FDA approved TMJ implants in a controlled comparative manner. Evaluating the kinetics and kinematics of the TMJ enables the understanding of structure and function of normal and diseased TMJ to predict changes due to alterations, and to propose more efficient methods of treatment. Although many researchers have conducted biomechanical analysis of the TMJ, many of the methods have certain limitations. Therefore, a more comprehensive analysis is necessary for better understanding of different movements and resulting forces and stresses in the joint components. This article provides the results of a state-of-the-art investigation of the TMJ anatomy, TMD, treatment options, a review of the FDA approved TMJ prosthetic devices, and the TMJ biomechanics.

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Section: Treatment Options For Tmdmentioning

confidence: 99%

Section: Techmedica/tmj Concepts Tmj Implantmentioning

confidence: 99%

Temporomandibular Joint: Disorders, Treatments, and Biomechanics

2009

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“…The prosthesis is said to provide maximum host-prosthesis contact despite difficult anatomical form. It was approved by the FDA in 1999 [19][20][21][22]. In 1992 titanium/titanium nitride TMJ (TTN-TMJ) prosthesis lined the fossa and the condylar component with titanium nitrate to decrease the wear properties.…”

Section: Historical Considerationsmentioning

confidence: 99%

Total Alloplastic Temporomandibular Joint Reconstruction for Management of TMJ Ankylosis

Neelakandan

Raja

Krishnan

2013

J. Maxillofac. Oral Surg.

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Introduction Temporomandibular joint (TMJ) ankylosis involves the fusion of the mandibular condyle to the glenoid fossa, the skull base. The dilemma with regards to treatment planning whether distraction is done before gap arthroplasty or as a simultaneous procedure or after gap arthroplasty is still a controversy. In an attempt to carry out both the procedures simultaneously there is loss of vector control of the distal segment and the risk of pseudoarthrosis at the osteotomy site. This combined problem could be overcome by the use of total alloplastic joint prosthesis which offers a firm posterior stop for the proximal segment and negates aggressive physiotherapy. Material and methods The reference literatures were retrieved from Pub Med and Science Direct database. Three case reports of bilateral recurrent TMJ ankylosis successfully treated with custom made total TMJ by the authors are illustrated. Conclusion The purpose of this article is to review the world literature on various alloplastic joints available for TMJ reconstruction and to introduce our indigenous total joint prosthesis in the management of recurrent ankylosis.

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“…The total system is custom-made on a bone biomodel produced from a CT scan of the maxilla and mandible of the patient. 8,9 The Biomet Lorenz system also comes as a glenoid fossa and condyle ramus component and in this case the glenoid fossa component is made entirely of UHMWPE ª 2011 Australian Dental Association 85…”

Section: Introductionmentioning

confidence: 99%

Temporomandibular joint reconstruction with total alloplastic joint replacement

Jones

2011

Australian Dental Journal

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This paper is a preliminary paper which presents the early findings of an ongoing prospective trial on the use of the TMJ Concepts and Biomet Lorenz total joint replacement systems for the reconstruction of the temporomandibular joint (TMJ).Total alloplastic replacement of the TMJ has become a viable option for many people who suffer from TMJ disease where surgical reconstruction is indicated. Degenerative joint diseases such as osteoarthritis, rheumatoid arthritis, psoriatic arthritis, TMJ ankylosis, malunited condylar fractures and tumours can be successfully treated using this technique.There are a number of TMJ prostheses available. Two of the joint replacement products, which have been found to be most reliable and have FDA approval in the United States, are the TMJ Concepts system and the Biomet Lorenz system, and for this reason they are being investigated in this study.This study presents the findings of seven patients with a total of 12 joint replacements using either the TMJ Concepts system or the Biomet Lorenz joint system. Two patients (3 joints) had the TMJ Concepts system and five patients (9 joints) had the Biomet Lorenz system.Although still early, the results were generally pleasing, with the longest replacement having been in position for three years and the most recent six months. The average postoperative mouth opening was 29.7 mm (range 25-35 mm) with an average pain score of 1.7 (range 0-3, minimum score of 0 and maximum 10). Complications were minimal and related to sensory disturbance to the lip in one patient and joint dislocation in two patients.

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Long-term follow-up of the CAD/CAM patient fitted total temporomandibular joint reconstruction system

Cited by 159 publications

References 12 publications

Temporomandibular Joint: Disorders, Treatments, and Biomechanics

Temporomandibular Joint: Disorders, Treatments, and Biomechanics

Total Alloplastic Temporomandibular Joint Reconstruction for Management of TMJ Ankylosis

Temporomandibular joint reconstruction with total alloplastic joint replacement

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