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Temporomandibular joint arthroplasty for osteoarthrosis: a series of 24 patients that received a uni- or bilateral inter-positional silicone sheet

Boutault, Franck and Cavallier, Zoé and Lauwers, Frédéric and Prevost, Alice Temporomandibular joint arthroplasty for osteoarthrosis: a series of 24 patients that received a uni- or bilateral inter-positional silicone sheet. (2018) Journal of Stomatology, Oral and Maxillofacial Surgery, 119 (3). 199-203. ISSN 2468-7855

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Official URL: https://doi.org/10.1016/j.jormas.2018.02.004

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.

Item Type:Article
HAL Id:hal-02100326
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:Other partners > Centre Hospitalier Universitaire de Toulouse - CHU Toulouse (FRANCE)
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Deposited On:15 Apr 2019 15:20

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