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