Penn State Sep 9 2025 For most broken bones, bone cells regrow on their own while patients wear a cast or brace to keep the injury steady. But for complex or severe fractures, surgeons may intervene by placing grafts or scaffolds made of biocompatible materials, or by using metal fixation devices to ensure proper bone healing and alignment. Collaborating with orthopedic surgeons, a team led by biomedical engineering researchers at Penn State created CitraBoneQMg, an implantable biodegradable