Teeth first evolved as sensory tissue in the armored exoskeletons of ancient fish, fossil scans find
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May 21, 2025, 11:00 am100 pts
PHYSorgAnyone 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.
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