Patient-Fitted Temporomandibular (TMJ) Right Mandibular Component part of TMJ Reconstruction Prosthesis System. Model /catalog # TYY-NNNNRM || The TMJ Concepts Patient-Fitted TMJ Reconstruction Prosthesis System is intended to be used for the reconstruction of the temporomandibular joint. It is indicated for patients with one or more of the following conditions: Inflammatory arthritis involving the temporomandibular joint not responsive to other modalities of treatment; Recurrent fibrous and/or bony ankylosis not responsive to other modalities of treatment; Failed tissue graft; Failed alloplastic joint reconstruction; Loss of vertical mandibular height and/or occlusal relationship due to bone resorption, trauma, developmental abnormality, or pathologic lesion