Permanent disability

You can check your disability status online here :
http://www.socialsecurity.gov/claimstatus/

Your disability status depends on the nature of your disability. Some are deemed temporary (ex. recoverable accident), and your case will be re-evaluated on a regular basis. Other disabilities are deemed permanent, and will not be re-evaluated.

Here's one example of a how a temporary case can be handled :
http://ssa-custhelp.ssa.gov/cgi-bin/ssa.cfg/php/enduser/std_adp.php?p_fa...