Inclusion Criteria:  History of BMS for at least 6 months no clinical changes in the oral cavity that are clinically verifiable and may affect symptoms, no previous BMS therapy age over 18  Exclusion Criteria:  V and VII nerve neuralgia patients with uncontrolled diabetes mellitus, thyroid disease, anemia, Sjogren's disease and connective tissue disease (fibromyalgia), patients after prior surgical / neurosurgical treatment of the head, oncological treatment (radiotherapy), pregnant women, the occurrence of clinical pathologies in the oral cavity that may cause pain, deficiencies of vitamin B12, folic acid