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Scientists 3D-print bone structure to help tissue regenerate – UPI.com

by • February 7, 2016 • No Comments

NOTTINGHAM, England, Feb. 8 (UPI) — Scientists in England made a 3D-printed bone scaffold that allows for blood flow and cell growth to assist the regeneration of effortless bone tissue.
The scaffold may allow doctors to create advantageous materials for bone replacement that break down over time, unlike the metal implants frequently utilized by doctors.
Doctors have may already utilized 3D-printing to custom create replacement body parts for patients, such as a patient in Spain who attained custom-printed ribs or 14-year-old of the Marshall Islands given a 3D-printed nose.
Scientists said the bone scaffold may be utilized for patients who have lost a lot of bone during cancer treatment or a catastrophic fracture, and breaks down as new bone grows in its place.
“Using this create strategy may assist engineer bone scaffolds, whose porosity does not compromise their strength,” said Manolis Papastavrou, a doctoral candidate at Nottingham Trent University, in a press release. “In the long term, this research may offer to replacing the use of metal in orthopaedic implants with materials that can be broken down by the body.”
Papastavrou’s research focutilized on the growth of crystals at sub-zero temperatures, and how via them as part of the 3D-printing system allowed for the structuring of material nearer to how molecules are arranged in actual bone, he said.
The 3D lattice, that acts as a scaffold for bone to grow around, can be printed to the precise dimensions and shape a patient requires, and matched to their body’s requirements.
“This research is a real step forward as it shows how we can use 3D printing to improve biomaterials without the require for achieving high resolution,” said Philip Breedon, a professor at Nottingham Trent University. “By manipulating the growth of crystals in a 3D printed material, we can improve the microstructures of bone scaffolds to manufacture them stronger and may assist individuals who’ve suffered a leading injury or illness manufacture a swifter recovery.”


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