. A new study reveals that the sensitivity of teeth, which makes them zing in a dentist’s chair or ache after biting into something cold, can be traced back to …
Tag:
teeth
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. This illustration depicts the early jawless vertebrate Astraspis being attacked by the sea-scorpion Megalograptus in dark, shallow waters. Both animals likely had tooth-like scales on their bodies that would …
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. Our sensitive teeth originally evolved from the “body armor” of extinct fish that lived 465 million years ago, scientists say. In a new study, the researchers showed how sensory …