Dental implant problems are very rare, which is one of the main reasons why dentists recommend them. With a great dentist, the success rate can be as high as 99%. If there is an issue, it usually has to do with the implant becoming loose, or the crown (the tooth portion) cracking, or falling off.
If your dental implant becomes loose, the cause may be that osseointegration didn't fully take place. Osseointegration is the process where the jawbone fuses with the titanium implant, and bone is deposited around the implant to make it as strong as a natural root may be. If the process isn't fully complete, your implant may become loose in the future. Another possible reason for a loose implant is if your jawbone deteriorates due to gum disease or an inffection.
The process of repairing a dental implant involves the following steps: