Plus, a constant stream of patients drawn by glowing reviews from satisfied customers have left Lowenberg and Lituchy with ear-to-ear grins. Nowadays, instead of finding blown-out rock groupies in his office, Lowenberg's likely to discover a supermodel by his Hamptons pool, desperate for the quick fix of a damaged crown.

With all the luminaries floating around—today, E.R. bombshell Julianna Margulies has dropped in for a cleaning—one might expect the dentists-to-the-stars to be inking their own silver-screen deals. Not yet.

"I keep trying to get into pictures," Lowenberg, "but for now I will have to be content being just a technical consultant."