Cornwall Healthcare NHS Trust - Personal Dental Service The PDS site contains information on its role in providing dental services for unregistered, special needs patients and visitors to the county for both dentists and patients. For patients, there is information on NHS charges, registration and links to the NHS Direct website. A flow chart can be followed to find out if a patient should contact the PDS or not.  There is a clickable map of Cornwall which gives details on surgeries and clinics that can provide PDS services. There are educational resources for the public and tailored educational packages for carers. There is vacancy information for dentists and dental staff.