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.
By
Healthwise Staff
Primary Medical Reviewer
E. Gregory Thompson, MD - Internal Medicine
Specialist Medical Reviewer
Arden Christen, DDS, MSD, MA, FACD - Dentistry
Last Revised
April 18, 2011
WebMD Medical Reference from Healthwise
Last Updated:
April 18, 2011
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