Because most metals do not vaporize during the cremation process, they are left over when the cremation process is complete. These metals are not part of the deceased and need to be disposed of in a dignified and professional manner. The casket or container will contain metal screws, nails, staples, hardware, and many other metals.

Our bodies may also contain metals in the form of artificial prosthetics. Artificial hips, knees, metal cages used in spinal fusion, and a whole host of other medical implants can be made of metal. Another common source is dental implants. Metals are used to fix decayed, broken or missing teeth. For dental work, the metals can range from precious metals (i.e., gold, silver, platinum, and palladium) to non-precious metals like nickel, chrome, cobalt, and titanium. For orthopedic procedures the metals most commonly used are stainless steel, titanium, cobalt, and chrome.