What are the chances of cartilage resorption?

This is a very good question. Over the years, I have had many patient with septal grafts, ear cartilage grafts, rib grafts and bone grafts. As far as I can tell- they are all still in place. I have not seen any resorption.

Cartilage that is diced and wrapped in surgicel for dorsal augmentation tends to resorb completely in 6 months.  Cartilage used for tip grafts can warp and become visible but not resorb entirely.  It depends on the way it is used.  Infections are another consideration that can affect cartilage longevity.