In order to select the study group of patients, a clinical and dental examination was conducted among 300 children and young men (130 boys (43.33%) and 170 girls (56.66)) of which 145 with TMJ pathologies (the main group - MG) and 155 examined absolutely no pathologies of the TMJ (control group - CG) of students of secondary schools and colleges who were registered with the dispensary and applied for treatment to a specialist dentist in the Department of Orthopedic Dentistry of the Bukhara State Medical Institute and the regional children's and adult dental clinic in Bukhara.