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Accuracy and reproducibility of virtual cutting guides and 3D-navigation for osteotomies of the mandible and maxilla

by Qiu, Jimmy , Irish, Jonathan C. , Bernstein, Jonathan M. , Daly, Michael J. , Chan, Harley , Goldstein, David , Muhanna, Nidal , de Almeida, John R.

in Accuracy / Biocompatibility / Biology and Life Sciences / Bones / CAD / Cancer / CAS / Computer aided design / Computer assisted surgery / Cutting / Engineering and Technology / Evaluation / Head / Head and neck / Health aspects / Humans / Imaging, Three-Dimensional - methods / Laboratories / Mandible / Mandible - surgery / Maxilla / Maxilla - surgery / Maxillofacial surgery / Medical personnel / Medicine and Health Sciences / Navigation aids / Navigation systems / Oncology / Osteotomy / Osteotomy - methods / Otolaryngology / People and Places / Planning / Reconstructive surgery / Reconstructive Surgical Procedures - methods / Reproducibility / Research and Analysis Methods / Rolling motion / Skull / Surgeons / Surgery / Surgery, Computer-Assisted - methods / Three dimensional models / Tomography

2017

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Accuracy and reproducibility of virtual cutting guides and 3D-navigation for osteotomies of the mandible and maxilla

by Qiu, Jimmy , Irish, Jonathan C. , Bernstein, Jonathan M. , Daly, Michael J. , Chan, Harley , Goldstein, David , Muhanna, Nidal , de Almeida, John R.

2017

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Accuracy and reproducibility of virtual cutting guides and 3D-navigation for osteotomies of the mandible and maxilla

by Qiu, Jimmy , Irish, Jonathan C. , Bernstein, Jonathan M. , Daly, Michael J. , Chan, Harley , Goldstein, David , Muhanna, Nidal , de Almeida, John R.

2017

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Journal Article

Accuracy and reproducibility of virtual cutting guides and 3D-navigation for osteotomies of the mandible and maxilla

Qiu, Jimmy,

Irish, Jonathan C.,

Bernstein, Jonathan M.,

Daly, Michael J.,

Chan, Harley,

Goldstein, David,

Muhanna, Nidal,

de Almeida, John R.

2017

Overview

We set out to determine the accuracy of 3D-navigated mandibular and maxillary osteotomies with the ultimate aim to integrate virtual cutting guides and 3D-navigation into ablative and reconstructive head and neck surgery. Four surgeons (two attending, two clinical fellows) completed 224 unnavigated and 224 3D-navigated osteotomies on anatomical models according to preoperative 3D plans. The osteotomized bones were scanned and analyzed. Median distance from the virtual plan was 2.1 mm unnavigated (IQR 2.6 mm, ≥3 mm in 33%) and 1.2 mm 3D-navigated (IQR 1.1 mm, ≥3 mm in 6%) (P<0.0001); median pitch was 4.5° unnavigated (IQR 7.1°) and 3.5° 3D-navigated (IQR 4.0°) (P<0.0001); median roll was 7.4° unnavigated (IQR 8.5°) and 2.6° 3D-navigated (IQR 3.8°) (P<0.0001). 3D-rendering enables osteotomy navigation. 3 mm is an appropriate planning distance. The next steps are translating virtual cutting guides to free bone flap reconstruction and clinical use.

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Publisher

Public Library of Science,Public Library of Science (PLoS)

Subject

Accuracy

/ Biocompatibility

/ Biology and Life Sciences

/ Bones

/ CAD

/ Cancer

/ CAS