When Brent Chapman was 13, he took ibuprofen during a Christmas basketball game. It was a drug he had taken before, but what happened next was anything but routine: He had a severe reaction that caused burns all over his body, including on the surface of his eyes.
“The tooth is a really ideal structure for holding a focusing element in place,” Moloney said. “It’s hard, it’s rigid, it survives in poor environments, and the body accepts it because it’s part of its own.” From this article.
Alright, that’s on me for not clicking and reading. Thanks for the direct info though