Accuracy and reliability of automatic three-dimensional cephalometric landmarking
TypeArticles dans des revues avec comité de lecture
The aim of this systematic review was to assess the accuracy and reliability of automatic landmarking for cephalometric analysis of three-dimensional craniofacial images. We searched for studies that reported results of automatic landmarking and/or measurements of human head computed tomography or cone beam computed tomography scans in MEDLINE, Embase and Web of Science until March 2019. Two authors independently screened articles for eligibility. Risk of bias and applicability concerns for each included study were assessed using the QUADAS-2 tool. Eleven studies with test dataset sample sizes ranging from 18 to 77 images were included. They used knowledge-, atlas- or learning-based algorithms to landmark two to 33 points of cephalometric interest. Ten studies measured mean localization errors between manually and automatically detected landmarks. Depending on the studies and the landmarks, mean errors ranged from <0.50 mm to>5 mm. The two best-performing algorithms used a deep learning method and reported mean errors <2 mm for every landmark, approximating results of operator variability in manual landmarking. Risk of bias regarding patient selection and implementation of the reference standard were found, therefore the studies might have yielded overoptimistic results. The robustness of these algorithms needs to be more thoroughly tested in challenging clinical settings. PROSPERO registration number: CRD42019119637.
Showing items related by title, author, creator and subject.
Zygomatic bone shape in intentional cranial deformations: a model for the study of the interactions between skull growth and facial morphology KETOFF, Serge; GIRINON, François; SCHLAGER, Stefan; FRIESS, Martin; SCHOUMAN, Thomas; ROUCH, Philippe; KHONSARI, Roman Hossein (Anatomical Society, 2016)Intentional cranial deformations (ICD) were obtained by exerting external mechanical constraints on the skull vault during the first years of life to permanently modify head shape. The repercussions of ICD on the face are ...
Influence of the overall stiffness of a load-bearing porous titanium implant on bone ingrowth in critical-size mandibular bone defects in sheep. SCHOUMAN, Thomas; SCHMITT, Mary; ADAM, Clayton; DUBOIS, Guillaume; ROUCH, Philippe (Elsevier, 2016)The aim of this work was to assess the influence of reduction of the apparent mechanical properties of fully load-bearing porous titanium implants used in mandibular bone defects. Segmental 18mm long bone defects were ...
SCHOUMAN, Thomas; ROUCH, Philippe; IMHOLZ, Benoït; FASEL, Jean; COURVOISIER, Delphine; SCOLOZZI, Paolo (Springer, 2015)Introduction To evaluate the accuracy of CAD/CAM generated splints in orthognathic surgery by comparing planned versus actual post-operative 3D images. Methods Specific planning software (SimPlant® OMS Standalone 14.0) was ...
Experiences with a new biplanar low-dose X-ray device for imaging the facial skeleton: A feasibility study BERG, Britt-Isabelle; LAVILLE, Aurélien; COURVOISIER, Delphine S.; ROUCH, Philippe; SCHOUMAN, Thomas (PLOS, 2020)Methods We evaluated 48 biplanar radiographs from 12 patients (posteroanterior/lateral), originally taken for a scoliosis examination with a biplanar low-dose X-ray device. For this study, the images were further evaluated ...
GIRINON, François; GAJNY, Laurent; EBRAHIMI, Shahin; DAGNEAUX, Louis; ROUCH, Philippe; SKALLI, Wafa (Taylor & Francis, 2020)3D reconstruction from low-dose Bi-Planar X-Rays (BPXR) is a rising practice in clinical routine. However, this process is time consuming and highly depends on the user. This study aims to partially automate the process ...