Bridge of bone canthopexy has utility when significant movements of canthal position are required. It is a technique whereby the lateral canthal structures are purchased with a figure-of-eight suture of titanium wire. Drill holes are placed in the lateral orbital rim using the zygomaticofrontal sutures as reference landmarks. A canthal fixation point (the inferior drill hole) creates a measured distance from a fixed anatomic point (the zygomaticofrontal suture) assuring accurate and symmetric canthus positioning. Wire suture fixation over the bridge of bone created by the two drill holes provides maximum stability to counter soft tissue deforming forces. Fine adjustments can be made to the canthal position by twisting or untwisting the wire ends.
Reprint requests: Michael J. Yaremchuk, MD, Massachusetts General Hospital, 15 Parkman St., Boston, MA, 02114
DISCLOSURES
The authors have no disclosures with respect to the contents of this article.
1 Dr. Yaremchuk is Chief of Craniofacial Surgery, Massachusetts General Hospital, Boston, MA. He is also a Clinical Professor of Surgery, Division of Plastic and Reconstructive Surgery, Harvard Medical School, Boston, MA.
2 Dr. Chen is from Chang Gung Memorial Hospital, Taipei, Taiwan.
ABSTRACT