Enamel is the hard outer layer of a tooth made mostly of minerals. Enamel has tiny pores that can be seen only with a microscope.
Dentin, which is underneath the enamel, is not completely solid.
Primary Medical ReviewerE. Gregory Thompson, MD - Internal Medicine
Specialist Medical ReviewerArden Christen, DDS, MSD, MA, FACD - Dentistry
Current as ofNovember 14, 2014
WebMD Medical Reference from Healthwise