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