Dental Care What Are the Most Common Types of Stains and Discoloration That Affect Teeth? Share Pin Email Dental Care Basics Procedures and Treatments Dental Emergencies Cosmetic Dentistry Orthodontics Pediatric Dentistry Glossary Resources Updated April 20, 2016 Stains and discolorations of your teeth can be caused by many things. The first step to maintaining a white smile is to find the source of the stains. Up Next Up Next Video How Do Teeth Stain and Discolor? Up Next Video Does Coffee Stain Teeth? Up Next Video What Foods Stain Teeth? Up Next Video Does Smoking Stain Teeth?