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Titanium integration with bone, welding, and screw head destruction complicating hardware removal of the distal radius: report of 2 cases.

Titanium integration with bone, welding, and screw head destruction complicating hardware removal of the distal radius: report of 2 cases. journal of hand surgery Van Nortwick, S. S., Yao, J., Ladd, A. L. 2012; 37 (7): 1388-1392

Abstract

Increasingly, surgeons treat distal radius fractures with locking plate systems. Recent case reports have focused on technical insertion errors resulting in removal difficulties: poor drilling orientation or cross-threading, destruction of the screw head, and filling of the screw recess with tissue. We report 2 complications of titanium locked plate removal secondary to in vivo reactions including titanium integration with bone and mechanical binding between the titanium screw and plate. We clarify and discuss terminology relevant to implant removal, including cold-welding, galling, fretting, and anodization. Even with optimal technique, in situ reactions can complicate titanium implant removal.

View details for DOI 10.1016/j.jhsa.2012.04.027

View details for PubMedID 22652178