Chipped spider gear teeth in rear diff - Repairs?

Discovered chipped teeth on upper and lower spider gears when replacing diff cover. The side gears appear to be ok. I was not hearing any strange noises prior to this. Is it possible to replace the just the spider gears rather than the whole differential? Can anyone recommend a shop in Wilmington area to repair? I know there are a couple guys in the forum that do gear swaps but I think I'll need someone to inspect, order parts and make the repair. Is this ok to drive in the short term? Any advice would be appreciated, thanks.

Well not sure if anyone gives a crap but ended up going to the dealer. Was willing to pay for the quicker turnaround. Turns out the Trac-loc limited slips have clutch packs that wear. The wearing opens up the clearances on the spider gears which caused the chipping and eventual catastrophic failure. I went back in with the Detroit Tru-Trac limited slip which is 100%;gear driven and no clutch packs. Just a heads up if you splurged for $290 Trac-loc upgrade change your diff fluid on schedule and look for metal.