Alloplastic Total Temporomandibular Joint (TMJ) Replacement Registry

More in detail this registry has the following objectives: * To describe clinical indications for TMJ replacement, and treatment patterns (including differences among regions if feasible) * To describe the clinical evolution and outcomes of patients treated with a TMJ replacement * To explore the relationship(s) between treatment, outcome(s) and quality of life (QoL). * To identify predictive factors for favorable outcomes (pain reduction, range of motion (ROM), occlusal status, QoL) in patients treated with TMJ replacement. * To describe the reasons of patients who refused TMJ replacements