What is a Prosthodontist? Prosthodontists are dental specialists in the restoration and replacement of teeth. After completing four years of dental school, prosthodontists receive four additional years of specialized training in an American Dental Association (ADA) accredited graduate education program. Prosthodontics is one of the nine dental specialties recognized by the ADA. Serving as the “architect” of a dental treatment plan, prosthodontists collaborate with general dentists, specialists and other health professionals to develop solutions to your dental concern.