Treatment of Temporomandibular Joint Osteoarthritis by Viscosupplement. Satisfaction Predictive Factors

The arthritis of temporomandibular joint is the most frequent degenerative disease of the jaw joint. Several clinical studies recommend the recourse to the viscosupplement because of its efficiency in the long term. The present research has for objective to find clinical factors predictive of success or failure of viscosupplementation in ATM such as clinical severity before injection, the presence of a limited mouth opening or lenght of symptoms. It is an open observational monocentrical prospective study. The recruitment is competitive and the study will be ended when 44 patients will have been included by taking into account a risk of trial exits or of lost of sight of 10 %.The main criterion is the influence of the radiological stage on the answer to the treatment. Duration of inclusion 6 months. Duration of follow-up 6 months. Total duration of the study 12 months.