Groningen temporomandibular total joint prosthesis: An 8-year longitudinal follow-up on function and pain |
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| Authors: | Jennifer M Schuurhuis Pieter U Dijkstra Boudewijn Stegenga Lambert GM de Bont Fred KL Spijkervet |
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| Institution: | 1. Department of Oral and Maxillofacial Surgery, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands;2. Centre for Rehabilitation Medicine, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands;3. Graduate School Medical Sciences, School for Health Research, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands;4. Center for Dentistry and Oral Hygiene, Department of Oral Health Care and Clinical Epidemiology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands;1. TEMA, Department of Mechanical Engineering, University of Aveiro, Portugal;2. Université de Bordeaux, Institut de Mécanique et d’Ingénierie, CNRS UMR 5295, Talence, France;1. Registrar, Oral and Maxillofacial Surgery Unit, Sir Charles Gairdner Hospital, Nedlands, Western Australia, Australia;2. Consultant Surgeon, John Hunter Hospital, and Private Practice, Newcastle, New South Wales, Australia;3. Professor, Department of Surgery, James Cook University, and Former Consultant Maxillofacial Surgeon, Townsville Hospital, Queensland, Australia;4. Consultant Surgeon, Private Practice, Melbourne, Victoria, Australia;1. Department of Oral and Maxillofacial Surgery, Ninth People''s Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine, Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, People''s Republic of China;2. Department of Craniomaxillofacial and Plastic Surgery, Faculty of Dentistry, Alexandria University, Alexandria, Egypt |
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| Abstract: | Total temporomandibular joint replacement is a surgical procedure for patients with severe temporomandibular joint afflictions affecting quality of life, which have not responded beneficially to previous conventional surgery. The aim of this study was to assess the long-term outcome of the Groningen temporomandibular joint (TMJ) prosthesis in patients with chronic pain and mutilated temporomandibular joints following multiple surgical procedures, with respect to prosthesis failure, the patient's postoperative level of satisfaction and longitudinal changes in maximum mouth opening, functional mandibular impairment and pain. Eight female patients were studied in whom Groningen TMJ prostheses were inserted, two unilaterally and six bilaterally.The Groningen TMJ prosthesis was mechanically successful during 8 years of follow-up in seven out of eight patients with a disc dislocation being seen in one patient (7%). Patients were satisfied, despite the limited improvement of the maximum mouth opening, and pain scores.Although the decline of MFIQ scores during 8 years of follow-up was significant compared to baseline (p = 0.027), the effects of the prosthesis on maximum mouth opening, function and pain were limited. This may be due to persistent chronic pain and the adverse effects of multiple previous surgical procedures. |
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