Key points from article :
Nanokicking used to grow 3D samples of mineralised bone for the first time.
Laser interferometer systems turn mesenchymal cells into bone cells in three dimensions.
Development has already helped to save a dog's leg being amputated.
Human trials expected as early as 2020 in the NHS.
Bone grafts are used in reconstructive and orthopaedic surgeries.
The study was published in the Nature Biomedical Engineering.
