Grace, an 8 year-old from Zambia, Africa was suffering a craniofacial abnormality with further complications from infections. Though being controlled the infection, surgeons had to find a way to re-form her forehead for which they approached 3D Printed Models using CT scans. Following Virtual Surgical Planning, they finally operated with success.
Source: http://www.3dsystems.com/learning-center/case-studies/delivering-gift-normal-life