Specialised services often involve a breakdown of these fields, such as neurosurgery (surgery), allergology (internal medicine), paediatric allergology (paediatrics) or reproductive medicine or genetics (gynaecology and obstetrics), etc. Admissions focus on routine treatment, such as maternity cases without complications, appendicitis, hernias, diarrhoea and dehydration in children, non-complicated diabetes and so on. It includes the whole range of services usually performed in an outpatient setting, such as tooth extraction, the fitting of dental prostheses, and dental implants and orthodontics.