4) Myofascial pain syndromes – maxillary area and preauricular area pain in lateral pterygoid MFPS, maxillary, mandibular, forehead, preauricular area pain in masseter MFPS, preauricular, inside the ear, mastoid area pain in medial pterygoid MFPS, supraorbital, paranasal, upper lip, orbicular, mandibular and maxillary pain in platysma MFPS, maxillary pain and forehead pain in sternocleidomastoid sternal division MFPS, maxillary and upper premolar/molar teeth pain spreading over supraorbital, frontal, temporal head regions in temporalis muscle MFPS. See notes under myofascial pain syndrome for diagnostics criteria and therapy.