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The aim of this study was to investigate an accuracy of modified CAD/CAM generated wafers for orthognathic surgery. A total of 20 patients who had undergone bimaxillary orthognathic surgery were included and divided into two groups: A conventional CAD/CAM generated intermediate wafer and a modified CAD/CAM generated intermediate wafer. A series of CT images were taken to compare the virtual simulations with the actual postoperative outcomes(1 month after surgery). In conventional group, the mean difference of maxillary position between virtual simulation models and postoperative results was 0.78mm and overall average error within 1mm was observed in 66.4% of the repositioned maxilla. In modified group, the mean difference was 0.77mm and overall average error within 1mm was observed in 68.3%. There were no significant statistic differences between two groups in maxillary position. This study suggests that the CAD/CAM generated wafer provides excellent accuracy. The modified CAD/CAM wafer was only comparable to conventional design in accuracy and it cannot guarantee the superior precision. However, the modified design could be beneficial in cases with unstable condylar position or for inexperienced surgeons.
This article was published in the following journal.
Name: PloS one
The purpose of this study was to prospectively test the accuracy of computer-aided orthognathic surgery comparing the virtual surgical planning with the three-dimensional (3D) outcome.
To evaluate the accuracy between actual outcomes and virtual surgical planning (VSP) in orthognathic surgery regarding the use of three-dimensional (3D) surface models for registration using iterative...
Autologous fat grafting concurrent with orthognathic surgery is a powerful adjunctive aesthetic tool, and has been shown to have anti-inflammatory properties in prior studies. The purpose of this stud...
Cleft lip/palate is a facial anomaly caused by an abnormal developmental process. It is also the most common congenital anomaly. Orthognathic surgery is required in 25% of patients with cleft lip and ...
In the absence of infection-specific clinical signs and symptoms, it is often difficult for the maxillofacial surgeon to decide whether leukocytosis after orthognathic surgery is part of the normal po...
Orthognathic surgery aims to correct jaw position taking into account esthetic and functional criteria (dental occlusion, lip position, breathing...). These surgeries are planned using cli...
The aim of this prospective and observational study is to describe the conditions of orthognathic procedures performed in Toulouse Teaching Hospital over a one-year period, the outpatient-...
The purpose of this study is to determine whether personalized titanium plates can achieve better accuracy than CAD/CAM surgical splint in maxilla repositioning in orthognathic surgery, an...
This research is being done to determine quantitative and qualitative differences in patients' post-operative pain levels following elective orthognathic surgery after the local administra...
This study aims to evaluate the relationship between hard and soft tissue advancement during orthognathic surgery. The use of typical pre and post operative imaging consisting of con-beam ...
Surgery performed to repair or correct the skeletal anomalies of the jaw and its associated dental and facial structures (e.g. CLEFT PALATE).
A surgical specialty concerned with correcting conditions related to malposition of the jawbones and other related MAXILLOFACIAL ABNORMALITIES (e.g., CLEFT PALATE; RETROGNATHISM).
Food derived from genetically modified organisms (ORGANISMS, GENETICALLY MODIFIED).
Any waste product generated by a dental office, surgery, clinic, or laboratory including amalgams, saliva, and rinse water.
Surgical procedures conducted with the aid of computers. This is most frequently used in orthopedic and laparoscopic surgery for implant placement and instrument guidance. Image-guided surgery interactively combines prior CT scans or MRI images with real-time video.
Surgery is a technology consisting of a physical intervention on tissues. All forms of surgery are considered invasive procedures; so-called "noninvasive surgery" usually refers to an excision that does not penetrate the structure being exci...