Memory Healthy Teeth Memory MatchVersion en ligne Dental Hygiene par Elizabeth Lowes Brushing this to stop bad breath Hard outer layer of tooth Dentin Crown Cavity Brush Bottom part of tooth that is inside the gum Sugar Root Dentist Enamel Nerve Visit every 6 months Sensitive part of tooth Hole in tooth Second layer of your tooth Top half of tooth Do this at least twice a day Can cause cavities Tongue