How long does it take for a c2 vertabrae fracture to heal?

8-16 weeks: There is a lot factors effect that kind of fracture and method of treatment.

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.