A Washington D C, Washington DC prosthodontist is a dentist who specializes in prosthodontics, the specialty of implant, aesthetic and reconstructive dentistry. Washington D C, Washington DC prosthodontists specialize in the restoration of oral function by creating prostheses and restorations (i.e., complete dentures, crowns, implant retained/supported restorations). Cosmetic dentistry, implants and joint problems all fall under the field of prosthodontics.