id	definition
DEN	Denturist
DGP	Dental General Practice
END	Endodontics
IHG	Independent Hygienist
OPY	Oral Pathology
ORT	Orthodontics
OSY	Oral Surgery
PDT	Periodontics
PED	Pediatric Dentistry
PHD	Public Health Dentistry
PST	Prosthodontics