If the patella continues to slide out of the groove, or track, in which it should slide up and down, it might eventually wear it down enough so that it slides more easily. This of course results in a lot less stability, but it won't be as painful. There are some possible surgical options like tacking everything in place, but we're not really looking at that as an option.
For now, we'll give the anti-inflammatories a try. It took Montoya the better part of year to heal, but she did go back to endurance racing and never had a relapse. Fingers crossed for Yellow Dog.
Here's an excellent article on Luxating Patella in dogs.