The training and employment of dental hygienists; general histology; systems of the body; regional anatomy; tooth morphology; oral histology and physiology; microbiology, cross-infection and immunity; general pathology; plaque, calculus and stains; dental caries; diseases; acute gingival and periodontal diseases and other diseases of the oral mucosa; dental abnormalities; oral medicine and pharmacology; emergencies in the dental surgery; patients requiring special care; instruments, care and use; prevention of dental disease; dental radiography; local anaesthesia; dental health education.