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