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ITALIAN JOURNAL OF MAXILLOFACIAL SURGERY
A Journal on Maxillofacial Surgery
Official Journal of the Italian Society of Maxillofacial Surgery
Italian Journal of Maxillofacial Surgery 2009 April;20(1):47-53
A new system of resorbable rigid three-dimensional fixation using ultrasounds (Sonic Weld Rx + Sonic Pins Rx) adopted in craniofacial traumatology: the author’s experience
Cristofaro M. G., Giudice A., Amantea M., Giudice M.
Department of Oral and Maxillo-Facial Surgery Magna Graecia University of Catanzaro, Catanzaro, Italy
Aim. In the last 30 years further advancements in treating craniofacial traumas were achieved by the introduction of new osteosynthesis systems as the resorbable materials. Initially plates and screws were made out of polylactic acid (PLLA), polyglycolic acid (PGA) and polydioxanone (PDS); recently they are made out of polylactic D-lactide and L-lactide (PLDLA, each 50%). A groundbreaking innovation occurred with the introduction of a new fixation technique using ultrasonic system (Sonic Weld Rx System) coupled with resorbable plates (Resorb Xs) and pins (Sonic Pins Rx). The aim of this was to analyze the advantages offered by this new system.
Methods. Since November 2006 until October 2008, at the Department of Maxillofacial Surgery of the University of Catanzaro (Italy), 26 patients with craniomaxillofacial traumas underwent surgery with the new Resorb-X SF system. Three patients had fractures of the frontal sinus wall, and in one case the fracture was associated with an midface fracture; 23 patients had only orbital-zygomatic-maxillary fracture, which in three cases were bilateral.
Outcomes. The authors noticed a 40% reduction of intraoperative timing. The technique used provides an excellent three-dimensional mechanical stability among plate, pins and bone; no thermal bone damage has ever been observed. The authors assessed the plates and screws resorption by ultrasonography, which took on average between 8 to 12 months.
Conclusion. The experience here reported enables to validate this system to manage fractures of the middle third of the face also in pediatric patients. As for its use in jaw fractures in pediatric patients, it cannot be validated except for single-sided fractures, compound fractures, mesh fractures or undisplaced fractures.