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