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