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Teeth first evolved as sensory tissue in the armored exoskeletons of ancient fish, fossil scans find

phys.org Teeth first evolved as sensory tissue in the armored exoskeletons of ancient fish, fossil scans find

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 diff...

Teeth first evolved as sensory tissue in the armored exoskeletons of ancient fish, fossil scans find
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