3D printer creates new jaw for woman

"This is a world premiere, the first time a patient?specific implant has replaced the entire lower jaw," Jules Poukens of the University of Hasselt in Belgium said. "It's a cautious, but firm step."

A Belgium woman is able to chew, speak and breathe normally after the implantation of a new jawbone created on a 3D printer, doctors say.

The replacement jaw, created out of a fine titanium powder sculpted layer by layer by a precision laser beam, has proved a successful substitute for her own jaw all but destroyed by a potent infection called osteomyelitis..

Poukens and fellow researchers collaborated with a 3D printing firm called Layerwise in Leuven, Belgium, which specializes in printing with ultrastrong titanium to make dental implants and facial and spinal bone implants.

An MRI scan of the patient's jawbone was fed into a laser sintering 3D printer which fused tiny titanium particles layer by layer until the shape of her jawbone was recreated, then it was coated in a biocompatible ceramic layer.

The four-hour jaw implant operation was a success, researchers said.

"Shortly after waking up from the anesthetic the patient spoke a few words, and the day after was able to speak and swallow normally again," Poukens said.

Osteomyelitis: Causes, incidence, and risk factors

This severe Bone infection can be caused by bacteria (more common) or fungi (less common).

• Infection may spread to a bone from infected skin, muscles, or tendons next to the bone, as in osteomyelitis that occurs under a chronic skin ulcer (sore).
• The infection that causes osteomyelitis can also start in another part of the body and spread to the bone through the blood.
• A current or past injury may have made the affected bone more likely to develop the infection. A bone infection can also start after bone surgery, especially if the surgery is done after an injury or if metal rods or plates are placed in the bone.