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