Clinical examination, establishing of the treatment plan; anaesthesia in orofacial region and complications following the application of anaesthesia; emergencies, treatment of patients at risk; extraction of teeth and complications on and after the extraction; resection of the root apex; periapical curettage; oro-antral communication; primary obturation; difficult dentition; surgical extractions of unerupted teeth; inflammatory conditions of the orofacial area, cysts in the orofacial area.