Yes they do use titanium in back and neck fusions. They rods and screws that they use are titanium and seem to hold up better without further problems. Alot of people their bodies don't reject this material as badly as others.
Many surgeons use titanium cages to stabilize your spine during surgery. Some times human bone plugs are used. It is very important that you ask this question of your surgeon as you should not enter into a back fusion without knowing what the intended surgery is. Medicine changes but one think remains questions are always welcomed by surgeons.
Titanium rods, pins, plates, screws, and cages are used to stabilize fusions. Not all surgeons use them, but they do improve the success of, and recovery from the surgery.
