Anyone who has ever squirmed through a dental cleaning can tell you how sensitive teeth can be. This sensitivity gives important feedback about temperature, pressure — and yes, pain — as we bite and chew our food. However, the sensitive parts inside the hard enamel first evolved for something quite different.
New research from the University of Chicago shows that dentine, the inner layer of teeth that transmits sensory information to nerves inside the pulp, first evolved as sensory tissue…
Continue Reading
News Source: www.sciencedaily.com
Leave a Reply