Dr. Paul Dengelegi is an American Dentist and Prosthodontist and who is the author of the Casca series of novels that had been first authored by Barry Sadler. Dengelegi was awarded the authorship of the series by Sadler's estate after demonstrating the unique ability to capture and innovate on Sadler's Style. Dengelegi wrote two books in the series before being replaced by Casca website owner Tony Roberts in 2005.

Deneglegi is also a Dentist and Prosthodontist in Fairfield, Connecticut who has been cited for his innovations in both general dentistry and prosthetic dentistry. Since the publication of his works he has become known for his cosmetic dentistry for people in the film and television industry.