Temporomandibular joint arthroplasty for osteoarthrosis: A series of 24 patients that received a uni- or bilateral inter-positional silicone sheet - 16/05/18
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Abstract |
Purpose |
To evaluate mid-term results from using a silicone sheet for inter-positional arthroplasty in moderate or severe cases of osteoarthrosis of the temporo-mandibular joint (TMJ). To also determine any remaining indications from this method.
Patients and methods |
This retrospective study included patients that underwent surgery between 2008 and 2016. Pre- and post-operative mouth opening (MO), according to inter-incisal distance (mm) and pain score (PS: 0=no pain to 4=very severe pain) were recorded for 24 patients. Patients were divided according to thickness of the silicone sheet (group A: 1.0 mm, group B: 1.5 mm).
Results |
The cohort included 22 females (92%). Mean age at surgery was 55 years±13 (26–80). Mean length of follow-up was 26 months±24 (6–80). Mean improvement in MO was 8.2 mm (+33%) and of PS was 1.7 (−68%). MO was not improved for two patients and worsened for one. PS score improved for all patients. No statistical difference was found between groups A and B. There was also a tendency for degradation of outcomes over time.
Conclusion |
The poor reputation of prosthetic discoplasty was not as evident in our series, even though anatomical and functional status seemed to deteriorate over time. This is because total-joint prosthetic replacement is often proposed instead. However, for elderly or fragile patients that have severe pain, and regarding cost-benefit aspects, conventional arthroplasty can still be discussed, especially since French national health-care insurance does not yet support TMJ prosthetic replacement for osteoarthrosis.
Le texte complet de cet article est disponible en PDF.Keywords : Temporomandibular joint, Osteoarthrosis, Interpositional arthroplasty
Plan
Vol 119 - N° 3
P. 199-203 - juin 2018 Retour au numéroBienvenue sur EM-consulte, la référence des professionnels de santé.
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