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