Fig. 2

Examples of somatosensory z-score profiles of 2 patients with painful temporomandibular disorders indicating abnormalities involving different peripheral or central pain mechanisms [10–13]. Open symbols indicate patient A (loss of function to tactile, pinprick, and thermal non-nociceptive stimuli), and closed symbols indicate patient B (gain of function to painful pinprick and pressure stimuli). The zone between the two lines (−1.96 < z < 1.96) is the normal range based on the healthy material. CDT: cold detection threshold; WDT: warmth detection threshold; TSL: thermal sensory limen; CPT: cold pain threshold; HPT: heat pain threshold; MDT: mechanical detection threshold; MPT: mechanical pain threshold; MPS: mechanical pain sensitivity; WUR: windup ratio; VDT: vibration detection threshold; PPT: pressure pain threshold