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