4. Get help from a doctor now ›. 3+ months: Fractures of c2 range from very mild fractures to severe fractures that place the spinal cord at risk. Some need a simple collar, some a halo, and others a surgery. Depending on the specific fracture and how it is treated, it can take 3-6 months to be completely healed.All c2 fractures should be seen by a spine surgeon to make sure they heal properly to protect your spinal cord....Read more.et help from a doctor now ›. 6 - 12 weeks: Vertebral fractures typically heal over the course of 6 - 12 weeks. What most patients really want to know, though, is when their pain will resolve, which can be anywhere from 2 weeks to over 12 weeks.