An endodontist is a dental surgeon who specialises in treating endodontic problems (endo-within, dontic-tooth). In general, this involves root canal treatment.

The title endodontist or specialist in endodontics may only be used by a dental surgeon who has completed a postgraduate specialist training pathway approved by the General Dental Council (GDC). This involves three years of full time study dedicated to the specialty A specialist in the field of endodontics will normally have the letters MSc (Master of Science) or MClinDent (Master of Clinical Dentistry) and often MRD (Membership in Restorative Dentistry) after his/her name. He or she will have been awarded a certificate of specialist training by the GDC.

There are currently around 120 specialist endodontists on the Dental Register in the United Kingdom.