This video is unavailable because we were unable to load a message from our sponsors. If you are using ad-blocking software, please disable it and reload the page. Embed Code Restart Playing WATCH MORE VIDEOS FROM THIS EPISODE > Kristi, 41, has been called bleach-o-rexic due to her teeth-whitening addiction. Cosmetic dentist Dr. Bill Dorfman shows Kristi the damage she's done to her teeth. ShareTweet