Veneers are the open secret behind the flawless smiles of many movie stars and media personalities, but these amazing devices have not always been the practical and long-lasting cosmetic appliances we know today. In fact, they were originally designed as part of a costume and would not last for more than a few hours. Here’s a brief guide to how veneers have evolved into an amazing aesthetic dental solution that can completely transform a smile in as few as two appointments.