All implants are foreign bodies which become coated with an envelope of scar tissue over a short time. This is what ultimately holds chin (or breast) implants in place and symmetrical. After a chin implant is removed, the slick surfaces of the scar capsule must adhere properly to prevent a loose fold of tissue and deformity from forming. It would be normal surgical practice to remove the thin scar tissue layer also so the original chin tissues can heal to each other. This is very critical in removing chin implants that extend around the side of the jawbone. Board certified plastic surgeons would know this whereas lesser trained cosmetic surgeons may omit this important step.
