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J Oral Maxillofac Surg. 2012 May;70(5):1139-44. doi: 10.1016/j.joms.2011.03.011. Epub 2011 Jul 23.

Fixation of Le Fort I osteotomies with poly-DL-lactic acid mesh and ultrasonic welding--a new technique.

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  • 1Department of Oral and Maxillofacial Surgery, Christiana Care Health System, Wilmington, DE, USA.

Abstract

PURPOSE:

This report describes a technique for use of resorbable mesh (Resorb-X) and an ultrasonic sonotrode unit (SonicWeld Rx) to bond a pin (SonicPin Rx) to the mesh and underlying bone for Le Fort I osteotomy fixation, precluding the need to tap, shortening the time needed for fixation, and eliminating many disadvantages of titanium. In total, 659 cases have been performed from October 2005 through December 2010. This study examined the first 103 consecutive Le Fort osteotomies performed with this resorbable system and thus those with the longest follow-up.

MATERIALS AND METHODS:

One hundred three consecutive patients who had completed growth and presurgical orthodontics were operated on using the Resorb-X plating system and SonicWeld Rx. Intraoperative adverse events were monitored and a minimum 12-month postoperative follow-up for complications was completed.

RESULTS:

One patient (0.9%) had maxillary mobility at initial postoperative evaluation that resolved without malocclusion. Two patients (1.9%) exhibited signs of residual soreness and swelling in the maxilla, attributed to sterile abscess formation. At last follow-up, all patients demonstrated a clinically stable maxilla with correction of their malocclusion.

CONCLUSION:

Use of ultrasonic-aided pins in fixation of resorbable mesh plates, in Le Fort I osteotomies, is a viable technique and superior resorbable plating system because it is easy to use, results in adequate fixation strength, and shortens time of application by eliminating the need for tapping. In addition, this resorbable system eliminates many disadvantages associated with using all-titanium fixation.

Copyright © 2012 American Association of Oral and Maxillofacial Surgeons. Published by Elsevier Inc. All rights reserved.

PMID:
21784568
[PubMed - indexed for MEDLINE]
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