In Hollywood, it's hard to find someone with teeth that aren't stark white, perfectly straight, and impossibly shiny. Thanks to the wonders of veneers , even when celebrities enter the spotlight with a few crooked teeth or gaps, it's only a matter of months until their smiles turn into the kind of dental perfection now synonymous with celebrity. So when an actor is asked to play a character who's neither famous nor armed with a bank account that'd make veneers a possibility, wearing prosthetic teeth is often essential.