names & e-mail addresses of cosmetic dental universities in california,america.for post-graduate course?

names & e-mail addresses of cosmetic dental universities in california,america.for post-graduate course?
i want 2 do post-graduate degree course in cosmetic dentistry,in california,america.i would like 2 know about the universities offering this course & also the approximate cost for the same.i am a dentist from india.what are the prosedures 2 go about for admission.