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Repositioning of the Maxillomandibular Complex Using Maxillary Template Adjusted Only by Maxillary Surface
Jeong Joon Han1, Hoon Joo Yang, Soon Jung Hwang
1*Department of Oral and Maxillofacial Surgery, Chonnam National University Hospital, Gwangju †Department of Oral and Maxillofacial Surgery, School of Dentistry, Dental Research Institute, Seoul National University ‡Clinic for Maxillofacial Deformity, Seoul National University Dental Hospital, Seoul, Korea.
Abstract:
Accurate repositioning of the maxillary and mandibular segment is essential to improve esthetics and function in orthognathic surgery. With the improvement of three-dimensional imaging technology and computer-aided design and manufacturing techniques, various computer-aided design and manufacturing templates have been developed as alternatives to the traditional error-prone and time-consuming intermediate splint. However, the majority of previously developed templates still use an intermediate splint or the structures connected to occlusal surface and transferred the preoperative virtual plan to the real operation field indirectly.Here, the authors introduce a technical note regarding maxillary surgical templates adjusted only by the maxillary surface configuration. These templates consist of osteotomy and repositioning guide templates that provide information about the osteotomy line, bony interference, and planned position and eliminate the need for an intermediate splint. Using these templates, the maxillomandibular complex can be successfully repositioned without using an intermediate splint. Further studies are needed to determine the accuracy and stability of maxillary templates.
