A 65-year-old male patient complains about crepitation and clicking in both temporomandibular joints, pain induced by displacement of the lower jaw to the right, ear noise, dry mouth, glossalgia. He has been using complete removable prosthesis of the lower jaw for 6 months. The patient denies rheumatosis. Objectively: the lower third of face is shortened, mental fold is strongly pronounced, mouth corners are lowered, angular fissures and cracks are also present. Palpation reveals crepitatnt rale observed during TMJ moving. What is the most likely diagnosis?