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