
There are two ways to take a dental impression: the old-fashioned way that involves gross fluids sitting in your mouth for a while, and the new way that uses technology to create highly accurate models with a minimum of discomfort. The Old Way In traditional dental impressions, the dentist selects a horseshoe tray that approximately fits a patient’s teeth. The dentist then fills this tray with a thick, rapidly hardening material, like alginate (refined sea algae) or polyvinyl siloxane, a… Read more »