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