The 22-year-old woman patient may not have such things immediately in mind, and is probably just thankful to have a normal cranium. Her disorder had caused overgrowth of her old skull from a ...

The precursor to this achievement was a similar patching done last year, where 75% of a patient's skull was replaced with a 3D-printed implant made of polyetherketoneketone (PEKK, a thermoplastic).