. : : Hey i need to know the pros and cons for each of this stuff. Has any one ever had good results with one of these for revisions? : : Ear cartilage:(some/most can be reabsorbed by body) but it is your own tissue so it won't be rejected. : Alloderm: (possible infection?/builds up small areas) Rib: (potential warp factor, plus you will have donor site wound/scar). : Implant: (foreign object - infection rate?/difficult to remove once person's own tissue surrounds implant).