When it comes to cutting bone, you can of course use traditional burs and saws. They do cut bone, too – but they do not differentiate: any soft tissue getting in their way will also be cut.
Mectron Bone Expander 2.5 x 11.5 is used in the Dr Sentineri Technique for bone expansion. This technique is less traumatic for the patient than working with a hammer and chisel.