The study was approved by the Local Ethics Committee and was conducted in compliance with the World Medical Association Declaration of Helsinki on medical research. A total of 335 patients who underwent oral and maxillofacial reconstruction were recorded from Jan 2014 to Jun 2020. Reconstruction with computer-assisted surgery ( CAS), which included, virtual surgical planning, computer-aided design-computer-aided manufacturing (CAD-CAM) surgical guides/templates and pre-bent plates on 3D printed models. Reasons for tissue defect were oncologic, osteoradionecrosis, trauma and osteoporosis. Patients undergoing dental implant placement and orthognathic surgery were excluded. Finally, 136 patients were selected and the reasons for partial or abandon surgical plan performance were described and analyzed.
computer-aided design
Study Type
OBSERVATIONAL
Enrollment
136
The reconstruction was performed with the help of virtual surgical plan and 3D printed models.
The adherence of computer-assisted surgery
The original plans were classified as completely executed, partially executed or abandoned.
Time frame: The outcome were recorded preoperatively or intraoperatively
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