After a full rhinoplasty, whether open or closed, the bone has to heal. The bones have been filed down and broken to move them together. Now that the splint is off you can feel where the healing is occuring. Bone heals with an initial callus formation or slight thickening which...
The bump is usually made up of bone and cartilage. Therefore, usually after the bump is removed the bones have to be fractured since you have taken the " top off the tent". The cost would be according to time and the skill of the surgeon-$5-8000.
The top of many dorsal humps are at the bony - cartilaginous junction of your nasal bridge. In our practice, we may use Joseph saws to remove the bony portion of the hump, and a blade to lower the cartilaginous part of the hump. Hope this helps. Dr Joseph