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  • Title: Experimental research of accurate reduction of zygomatic-orbitomaxillary complex fractures with individual templates.
    Author: Li JP, Chen SL, Zhang X, Chen XY, Deng W.
    Journal: J Oral Maxillofac Surg; 2011 Jun; 69(6):1718-25. PubMed ID: 21277061.
    Abstract:
    PURPOSE: To develop a feasible intraoperative guiding device using computer-aided design and computer-aided manufacturing of individual templates to permit anatomic fracture reduction of zygomatic-orbitomaxillary complex (ZOMC) comminuted fractures. The simplicity and accessibility of this method should allow its widespread clinical application. MATERIALS AND METHODS: Under an institutional review board-approved protocol, diverse ZOMC fracture types were created in 6 cadaver heads with a hammer and a saw, and preoperative multislice spiral computerized tomography scan and 3-dimensional reconstruction were performed. Three individual templates were made by computer-aided design and computer-aided manufacturing, and the fractures were repaired under the guidance of individual templates. A clinical case was carried out with this method. After surgery, the outcome evaluation was completed by superimposing the postoperative computed tomographic model onto the planned model. RESULTS: Successful planning and repositioning of the 6 cadavers and a clinical patient were achieved using this method. Computer-aided design and computer-aided manufacturing of individual templates were successfully used in all cases at the time of surgery. Postoperative computed tomographic scans confirmed anatomic repair in all cases. CONCLUSIONS: A feasible intraoperative ZOMC fracture monitoring and reduction guidance device has been developed. This technique is a simple, economical, and readily accessible method of comminuted ZOMC fracture reduction that can be learned and used rapidly.
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