Aluminum is a more chemically reactive metal than iron and thus should be less corrosion-resistant than steel. However, the actual answer to the above question on which metal is more corrosion resistant is: it depends on your formula chemistry.
Occasionally, a splint may be used to hold the break in place while it heals. If the break has caused the bone fragments to move by a large amount, then finger manipulation may be needed to realign the bone. A splint is then used to hold the bone in place while it heals. Some broken fingers need operations to give them the best chance of healing. This can be due to the break being unstable (ie after manipulation, the bone ends are being pulled out of place by adjacent muscles). What operations may be needed for broken fingers?
Four Parts: Determining the Severity of the Injury Treating the Finger on the Way to the Doctor Getting Medical Treatment Taking Care of the injury. A broken finger occurs when your fracture one of the bones in any of your fingers. Your thumbs have two bones and your other digits have three bones. Take a long thin item, as long as your broken finger, such as a popsicle stick or a pen. 2  Place it next to your broken finger, or have a friend or family member help you hold it in place. 3  Use medical tape to wrap together the stick or pen and your finger. 4  Wrap it loosely.