Virtual Surgical Planning in Orthognathic Surgery

Farrell, Brian B.; Franco, Peter; Tucker, Myron R.

doi:10.1016/j.coms.2014.08.011

Cited by 120 publications

(74 citation statements)

References 20 publications

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“…More recently, virtual surgical planning (VSP) was made possible through widespread acceptance of cone beam computed tomography (CBCT) in dental imaging. These technologies were introduced as planning tools for the surgeon to visualize spatial relationships of bony segments and more precisely quantify skeletal movements as a result of surgery . This is in contrast to the traditional method of surgical work‐ups using 2D radiographs and dental models, which provide more limited information to guide the surgical procedure.…”

Section: Introductionmentioning

confidence: 99%

Comparison of condylar position in orthognathic surgery cases treated with virtual surgical planning vs. conventional model planning

Wan

Jackson

Chung

et al. 2019

Orthod Craniofacial Res

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Structured Abstract Objectives To assess the effect of virtual surgical planning (VSP) on the accuracy of condylar seating in surgical cases involving Bilateral Sagittal Split Osteotomy (BSSO). An additional aim was to quantify differences between actual surgical outcome and planned virtual outcome. Setting and sample population A private practice in Charlotte North Carolina. Twenty‐five consecutively operated subjects prepared with VSP and twenty consecutively subjects operated with conventional surgery planning were enrolled. Material and Methods Cone beam computed tomography (CBCT) scans were obtained before surgery (T1) and post‐surgery after splint removal (T2). The T1 and T2 CBCTs were superimposed on the anterior cranial base using voxel‐based registration. Three dimensional (3D) models were built and oriented to a 3D Frankfurt horizontal. Displacement of corresponding condylar landmarks was measured. Results No significant difference was found between the VSP and conventional group in the magnitude of translation or rotation of the condyles following surgery. VSP surgical outcomes differed significantly from predicted positions at all landmarks. Virtual surgical planning does not prevent changes to condylar position as a result of surgery. Actual surgical results differed significantly from VSP‐predicted outcomes. Conclusions Virtual surgical planning did not reduce the changes to condylar position and angulation that resulted from conventionally planned orthognathic surgery.

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Section: Introductionmentioning

confidence: 99%

Comparison of condylar position in orthognathic surgery cases treated with virtual surgical planning vs. conventional model planning

Wan

Jackson

Chung

et al. 2019

Orthod Craniofacial Res

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show abstract

“…If autorotation of the mandible occurs at the temporomandibular joint during repositioning, the intermediate splint cannot guarantee accurate transfer of preoperative planning to the patient (Chapuis et al, 2007). Recently, 3D-printed templates have been produced with advanced 3D-printing technology and have provided adequate information for repositioning bone segments after osteotomy, such as Le Fort 1 and SSRO (Hirsch et al, 2009;Coppen et al, 2013;Hanasono and Skoracki, 2013;Li et al, 2013;Polley and Figueroa, 2013;Farrell et al, 2014;Gander et al, 2015). This method decreased planning and surgery time, especially in cases requiring only a Le Fort I osteotomy (Polley and Figueroa, 2013).…”

Section: Discussionmentioning

confidence: 98%

“…Generally, the navigational surgery method consists of patient computed tomographic (CT) imaging, preoperative planning, and transfer of the plan to the patient. An orthognathic tracking and guiding system was used to transfer the surgical plan to the patient more accurately (Nijmeh et al, 2005;Farrell et al, 2014;Kim et al, 2014;Li et al, 2014). However, intraoperative registration between the patient and image has increased the complexity of surgical procedures and the operative time and labor within the surgical navigation system (Li et al, 2014).…”

Section: Introductionmentioning

confidence: 99%

Virtual skeletal complex model- and landmark-guided orthognathic surgery system

Lee

Woo

Huh

et al. 2016

Journal of Cranio-Maxillofacial Surgery

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“…Virtual planning combined with computer-aided surgery are rapidly emerging and increasingly important area of research (6). One of the important advantages of 3D virtual planning compared with traditional treatment planning of orthognathic surgery is that the clinician has more information on the patient's anatomy during planning.…”

Section: Discussionmentioning

confidence: 99%

Accuracy of Maxillary Segmental Osteotomy using 3D Simulation: A Case Report

Lee¹,

Yeo²,

Jung³

et al. 2015

Journal of International Society for Simulation Surgery

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To overcome limitations of conventional diagnosis and planning for orthognathic surgery, surgeons have begun to use 3-dimensional (3D) virtual simulation to plan complex orthognathic surgery. In many literatures, it has shown that better surgical outcome achieved with 3D virtual simulation than that with conventional methods. But, there is still lack of data about accuracy of maxillary segmental surgery with 3D virtual simulation. The purpose of this paper was to report the case of maxillary segmental orthognathic surgery with 3D virtual simulation and to assess the actual surgical outcome. Though the result was clinically acceptable, discrepancy between 3D simulation and actual surgery was not superior compared with conventional method. The accuracy of 3D simulation surgery and intermediate wafer fabrication for maxillary segmental surgery needs to be improved. Advancement in 3D software program and careful surgical technique will make it more precise and reliable method.Key WordsZZOrthognathic surgery ㆍVirtual simulation ㆍMaxillary segmental osteotomy ㆍ3D printing.

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Virtual Surgical Planning in Orthognathic Surgery

Cited by 120 publications

References 20 publications

Comparison of condylar position in orthognathic surgery cases treated with virtual surgical planning vs. conventional model planning

Comparison of condylar position in orthognathic surgery cases treated with virtual surgical planning vs. conventional model planning

Virtual skeletal complex model- and landmark-guided orthognathic surgery system

Accuracy of Maxillary Segmental Osteotomy using 3D Simulation: A Case Report

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