Removal of implants with extensive distal bone ingrowth (Glassman and Engh). A, Prosthesis is transected with carbide-tipped, metal-cutting burr. B, Distal cylindrical portion of stem is removed by reaming over it with trephine reamer. (Redrawn from Johnson & Johnson, DePuy, Warsaw, IN.) SEETECHNIQUES 3.13 AND 3.14.