Archaeologists may have solved the mystery of why Vikings filed fancy grooves into their teeth – as a slightly weird ...

In all, the tooth filing has shown up on 130 Viking era individuals. Researchers analyzed the particular remains from Gotland, Sweden. Here, the skeletons of 65 men showed the characteristic grooves.

Using modern dentistry techniques such as X-ray scans and dental probes, the researchers discovered various signs of tooth modification among the Vikings. Evidence of toothpick use, filing of ...