´╗┐The ERA-DE female part is made of stainless steel or titanium. Its stainless steel is primarily used for casting into a crown, bridge, or bar structure and intended to be used to retain a partial denture or overdenture. The ERA-DE titanium alloy female is coated using titanium nitride and designed to be welded to the end of a titanium bar to retain an overdenture. For more information, call (800) 243-9942 or visit