A Altona, New York prosthodontist is a dentist who specializes in prosthodontics, the specialty of implant, aesthetic and reconstructive dentistry. Altona, New York 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.