99mTc-MDP Humanities Korean National Health Insurance Service SPECT Social interaction TMD X-ray diffraction articular eminence inclination aura biomarker bone scintigraphy calcium pyrophosphate dihydrate deposition disease cohort computed tomography condylar hyperplasia cone-beam computed tomography craniomandibular disorders cytokine diagnostic bruxism splint digital dentistry electromyography facial pain glenoid fossa inclination of articular eminence inductively coupled plasma atomic emission spectroscopy inflammatory arthritis interleukin juvenile idiopathic arthritis lumican malocclusions