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HERSHEY, PA. -- Metals in orthopedic implants rarely cause more than .a local, treatable dermatitis and are generally not to blame for joint failures, Dr. Joseph F. Fowler Jr. said at a contact dermatitis meeting.
Implanted joints where metal and plastic meet, such as those used in hip replacement surgery, are less problematic than are static metal screws or rods and traditional metal-metal joints, said Dr. Fowler of the University of Louisville (Ky).
Historically, metals such as nickel, cobalt, and chromium were used in orthopedic implants. Some orthopedic surgeons now prefer to use titanium, a comparatively inert metal, to avoid eliciting an allergic reaction, Dr. Fowler said.
A concern dermatologists may have is using a titanium implant in patients with a known metal allergy. However, in a study of 445 ...