1 A Hajek-Kofler punch to remove thick bone. The rotating sleeve allows its jaws to be pointed in any direction and for the handle to be in a comfortable position for the operator.
2 A Kerrison punch allows fine controlled removal of small segments of bone and the slight reversed angle of its jaws helps to remove the back of the vomer.
3 A long-shanked drill with a coarse diamond to remove any bone in the roof of the sphenoid bone in a controlled way.
4 A computer-guided system.
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The human body And Todays chemical infested world. Here is a news flash You are not allergic to pollen, pet dander, or whatever it is that makes your body revolt Rather, your body just can not handle that one thing, what ever it is, anymore, due to the massive barrage of toxic chemicals you and everyone else are ingesting every single day.