Common types of dirt include: 1  dust â a general powder of organic or mineral matter. 2  filth â foul matter such as excrement. 3  grime â a black, ingrained dust such as soot. 4  soil â the mix of clay, sand, and humus which lies on top of bedrock.
1 It is also good to get a second opinion if the initial back surgery did not work and another surgery is being proposed. 2  This advice is especially true if it involves fusing further segments of the spine. 3  Often, if the initial fusion surgery does not work, further surgery will not be helpful.he surgeon interview. The best advice for a patient seeking another surgical opinion is to keep an open mind. You need to be as judgmental about the second opinion as for the first, and need to grill the second physician even further than the first. At a minimum, you should cover these topics with the surgeon:
How Well It Works. Often spinal fusion is needed to keep the spine stable after injury, infection, or a tumor. When symptoms such as numbness or weakness in the arm suggest that a neck problem is causing a pinched nerve (radiculopathy), surgery may help you feel better faster. The bone is used to make a bridge between vertebrae that are next to each other (adjacent). 2  This bone graft stimulates the growth of new bone. 3  Man-made (artificial) fusion materials may also be used. 4  Metal implants can be used to hold the vertebrae together until new bone grows between them.