Mandible reconstruction assisted by preoperative virtual surgical simulation

Objective In this study, we evaluated the clinical efficacy of mandible reconstruction with preoperative virtual planning, which focused on esthetics and occlusion. Study Design A series of 9 patients were enrolled prospectively to undergo mandibulectomy and simultaneous reconstruction. Preoperative...

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Published in:Oral surgery, oral medicine, oral pathology and oral radiology oral medicine, oral pathology and oral radiology, 2012-05, Vol.113 (5), p.604-611
Main Authors: Zheng, Guang-sen, DDS, Su, Yu-xiong, DDS, PhD, Liao, Gui-qing, MD, DDS, PhD, Chen, Zhuo-fan, DDS, PhD, Wang, Lin, DDS, PhD, Jiao, Pei-feng, PhD, Liu, Hai-chao, DDS, Zhong, Yun-qi, RT, Zhang, Tong-han, DDS, Liang, Yu-jie, DDS
Format: Article
Language:English
Subjects:
Adult
Bone Plates
Computer Simulation
Dental Occlusion
Dentistry
Female
Fibrous Dysplasia of Bone - surgery
Humans
Male
Mandible - diagnostic imaging
Mandible - surgery
Mandibular Diseases - surgery
Mandibular Neoplasms - surgery
Middle Aged
Models, Anatomic
Patient Care Planning
Preoperative Period
Prospective Studies
Reconstructive Surgical Procedures - methods
Surgery
Surgery, Computer-Assisted
Surgical Flaps - blood supply
Tomography, Spiral Computed
User-Computer Interface
Young Adult
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Summary:Objective In this study, we evaluated the clinical efficacy of mandible reconstruction with preoperative virtual planning, which focused on esthetics and occlusion. Study Design A series of 9 patients were enrolled prospectively to undergo mandibulectomy and simultaneous reconstruction. Preoperative spiral CT scans of the maxillofacial region and the fibula region were performed. Virtual surgery of tumor resection and fibula reconstruction was performed in the Mimics platform. The reconstructed mandible models were fabricated with CAD/CAM technique. The reconstruction plate and the positioning template were accommodated to the stereolithographic model as the surgical template. Results Surgery was performed accurately according to the templates. All the fibula flaps survived. The appearance and occlusion of the patients were satisfactory. Conclusions With preoperative virtual planning, the spatial relationship of the mandible and the fibula graft can be planned individually, which helps achieve optimum appearance and occlusion relationship.
ISSN:2212-4403
2212-4411
DOI:10.1016/j.tripleo.2011.05.016