Nasal septum disorders Tonsils' dysfunctions Inner ear and sinuses disorders Parotid gland dysfunction Vocal cords and larynx disorders Other physical head and neck disorders Assessment and qualification for surgical procedures Nasal irrigation (Protez’s method) Paranasal sinus puncture Nasal repositioning Nasal tamponade Vessel cautery to arrest nasal bleeding Ear irrigation Undercutting abbreviated frenulum of the tongue Sampling segments of oral cavity, nose and larynx