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Intra And Inter Operator Reliability Of Cephalometric Landmark Identification
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Book Synopsis Intra- and Inter-operator Reliability of Cephalometric Landmark Identification by : Llon Hurst Clendenen
Download or read book Intra- and Inter-operator Reliability of Cephalometric Landmark Identification written by Llon Hurst Clendenen and published by . This book was released on 2010 with total page 84 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this study was to compare examiner reliability of cephalometric measurements from cone beam computed tomography (CBCT) and conventional digital cephalograms. Three imaging modalities were compared: CBCT using maximum intensity projection and ray-sum algorithms, and conventional digital cephalograms. Blinded examiners were calibrated, and intra- and inter-examiner reliability were assessed. Data were collected on a convenience sample of seven subjects. Examiners obtained linear and angular measures on each of the subjects' images, and rater consistency among the three methods were assessed using repeated measures analysis of variance of intraclass correlation coefficient ratios. A statistically significantly greater level of consistency for linear measurements was seen with the CBCT images. For the conventional digital images, linear measurements showed less consistency than angular measurements. This statistical significance unlikely correlates to a clinical significance. For orthodontic diagnosis, treatment planning, and treatment evaluation, CBCT generated cephalograms are equally effective to conventional digital cephalograms.
Book Synopsis Observer Reliability of Cephalometric Landmark Identification on 3-D MR Images by : Michael S. Pollack
Download or read book Observer Reliability of Cephalometric Landmark Identification on 3-D MR Images written by Michael S. Pollack and published by . This book was released on 2009 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Comparison of Observer Reliability of Three-dimensional Cephalometric Landmark Identification on Subject Images from Galileos and I-CAT CBCT by : Rujuta Amol Katkar
Download or read book Comparison of Observer Reliability of Three-dimensional Cephalometric Landmark Identification on Subject Images from Galileos and I-CAT CBCT written by Rujuta Amol Katkar and published by . This book was released on 2011 with total page 74 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Comparison of Cone Beam CT Reconstructed Lateral Cephalometric Images with Conventional Lateral Cephalometric Radiographs by : Loren W. Jolley
Download or read book Comparison of Cone Beam CT Reconstructed Lateral Cephalometric Images with Conventional Lateral Cephalometric Radiographs written by Loren W. Jolley and published by . This book was released on 2006 with total page 138 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Reliability of Cephalometric Landmark Identification and Orthodontic Treatment Forecasting in the Adolescent Patient by : Richard J. Jr Resler
Download or read book Reliability of Cephalometric Landmark Identification and Orthodontic Treatment Forecasting in the Adolescent Patient written by Richard J. Jr Resler and published by . This book was released on 2007 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis 3D Diagnosis and Treatment Planning in Orthodontics by : Jean-Marc Retrouvey
Download or read book 3D Diagnosis and Treatment Planning in Orthodontics written by Jean-Marc Retrouvey and published by Springer Nature. This book was released on 2021-03-13 with total page 325 pages. Available in PDF, EPUB and Kindle. Book excerpt: This richly illustrated book is a wide-ranging guide to modern diagnostics and treatment planning in orthodontics, which are mandatory prior to the initiation of any type of comprehensive treatment. The importance of three-dimensional (3D) imaging techniques has been increasingly recognized owing to the shortcomings of conventional two-dimensional imaging in some patients, such as those requiring complex adult treatment and those with temporomandibular joint dysfunctions or sleep disturbances. In the first part of this book, readers will find clear description and illustration of the diagnostic role of the latest 3D imaging techniques, including cone beam computed tomography, intra-oral scanning, and magnetic resonance imaging. The second part explains in detail the application of 3D techniques in treatment planning for orthodontic and orthognathic surgery. Guidance is also provided on the use of image fusion software for the purposes of accurate diagnosis and precise design of the most appropriate biomechanical approach in patients with malocclusions.
Book Synopsis The Reliability of Facial Soft Tissue Landmarks with Photogrammetry by : Michael G. Payne
Download or read book The Reliability of Facial Soft Tissue Landmarks with Photogrammetry written by Michael G. Payne and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Introduction:With attention being given to the deleterious effects of radiation exposure from dental radiographs and inaccuracies in cephalometric soft tissue measurements, an alternative method of facial analysis with sufficiently reliable soft tissue landmarks should be developed. The goals of this study were threefold: (1) to define a new, low-cost method for capturing standardized frontal and sagittal facial images, (2) to determine on which photographic view that landmarks can be more reliably located, and (3) to determine which landmarks are appropriate for quantitative facial analysis. Materials and Methods:Simultaneous frontal and right sagittal facial images of 10 male and 10 female dental student subjects were captured using high-definition webcams as part of a low-cost set-up. Seventeen identical predefined facial soft tissue landmarks were located by 5 examiners on both types of images and were recorded as coordinate values. These coordinate values were used to calculate the best estimate of the true value for each landmark, mean deviation from this best estimate, and reliability in the X- and Y-axes using the Shrout-Fleiss intraclass correlation coefficient with corresponding 95% confidence intervals. Two examiners repeated the landmark location to evaluate intra-examiner reliability. Results:With a 95% confidence interval range of>0.950, nose and mouth landmarks were among the most reliable landmarks on frontal and sagittal facial images. Converselyright soft tissue gonionwas one of the least reliable landmarks located in this study. In general, landmarks located by a single examiner showed greater reliability than when there were multiple examiners. Conclusions:This low-cost method yielded frontal and sagittal images sufficient for landmark identification. The magnitude of error varies between landmarks, is largest for poorly demarcated landmarks, and most had a non-circular envelope of error. Certain landmarks were more reliable on sagittal images and others were more reliable on frontal images. All landmarks had greater reliability and less mean deviation when located by a single examiner.
Book Synopsis Cephalometric Landmark Identification with Computer Assisted Scanning Technology by : Tim Mew-Sum
Download or read book Cephalometric Landmark Identification with Computer Assisted Scanning Technology written by Tim Mew-Sum and published by . This book was released on 1993 with total page 298 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Cephalometric Landmark Identification and Application Utilising a Computerized System by : Anne-Marie Clare Vincent
Download or read book Cephalometric Landmark Identification and Application Utilising a Computerized System written by Anne-Marie Clare Vincent and published by . This book was released on 1985 with total page 310 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Orthodontic Review written by and published by . This book was released on 1996 with total page 394 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Study of the Reliability of Point A as a Cephalometric Landmark by : Robert D. Callahan
Download or read book A Study of the Reliability of Point A as a Cephalometric Landmark written by Robert D. Callahan and published by . This book was released on 1959 with total page 49 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Comparison of Hand Traced and Computer Based Cephalometric Superimpositions by : Edward Louis Grubaugh
Download or read book Comparison of Hand Traced and Computer Based Cephalometric Superimpositions written by Edward Louis Grubaugh and published by . This book was released on 2007 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: Orthodontic practitioners are acquiring digital records and analyzing cephalometric radiographs with imaging software. However, few studies have compared hand traced cephalometric superimpositions with those produced by current computer programs. The specific aim of this study was to quantitatively compare hand traced and digital computer based superimpositions. Sixty four high quality initial (T1) and final (T2) cephalometric film radiographs were selected from an orthodontic archival database after Institutional Review Board approval. Cephalometric landmarks were identified. Cranial base and regional (maxillary and mandibular) superimpositions were completed independently for each pair of radiographs by the two methods. Digital superimpositions were created using the free-form feature in Dolphin Imaging 10 (Dolphin Imaging and Management Solutions, Chatsworth, CA). Twenty sets of hand and digital superimpositions were repeated one week apart to examine for intraoperator error. Both hand and digital superimpositions were imported into the GetData (GetData Graph Digitizer, S. Fedorov) digitizing program to obtain the x-y coordinates of each landmark. Linear distance between multiple paired (hand and digital) T2 cephalometric landmark locations (e.g., A point) were measured. After accounting for intraoperator error, a T2 landmark distance of zero would suggest that there was no difference between the hand and digital method. To account for skewed distributions, the mean and median linear distances and 95% confidence intervals between the T2 cephalometric landmark locations were calculated. A Friedman test was applied to examine for error between repeated hand superimpositions, error between repeated digital superimpositions, and the T2 landmark distances between the hand and digital methods. The upper 95% confidence limit for the median of the linear distances was 1 mm for all landmarks except maxillary incisor tip (1.02 mm). The error calculations indicated no statistically significant differences (p 0.05) for the reliability of each method and, more importantly, between superimposition methods. There was no difference between cranial base and regional superimpositions created by the traditional hand tracing method when compared to digital superimpositions. This study validates the use of digital superimpositions produced by Dolphin Imaging version 10.
Download or read book Medical Imaging written by and published by . This book was released on 1998 with total page 726 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Radiographic Cephalometry by : Alexander Jacobson
Download or read book Radiographic Cephalometry written by Alexander Jacobson and published by Quintessence Publishing (IL). This book was released on 2006 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt: Accompanying CD-ROM contains ... "an 'average' template and larger and smaller 'normal' templates ... Also provided are instructions for the digital application of the templates to accommodate skulls of all sizes."--Page ix.
Book Synopsis Cephalometric Analysis of Families with Dominantly Inherited Crouzon Syndrome by : Carol Anne Murdoch-Kinch
Download or read book Cephalometric Analysis of Families with Dominantly Inherited Crouzon Syndrome written by Carol Anne Murdoch-Kinch and published by . This book was released on 1996 with total page 250 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Handbook of Cephalometric Superimposition by : Herman S. Duterloo
Download or read book Handbook of Cephalometric Superimposition written by Herman S. Duterloo and published by Quintessence Publishing (IL). This book was released on 2011 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: History and origin of the structural method -- Validity and reliability : method error -- Interpreting growth and growth patterns -- Interpreting image variation -- Interpreting growth and treatment changes in superimpositions -- Describing growth and treatment changes -- Producing manual structural superimpositions -- Producing computerized structural superimpositions.
Book Synopsis Craniofacial 3D Imaging by : Onur Kadioglu
Download or read book Craniofacial 3D Imaging written by Onur Kadioglu and published by Springer. This book was released on 2019-01-28 with total page 251 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is designed to serve as an up-to-date reference on the use of cone-beam computed tomography for the purpose of 3D imaging of the craniofacial complex. The focus is in particular on the ways in which craniofacial 3D imaging changes how we think about conventional diagnosis and treatment planning and on its clinical applications within orthodontics and oral and maxillofacial surgery. Emphasis is placed on the value of 3D imaging in visualizing the limits of the alveolar bone, the airways, and the temporomandibular joints and the consequences for treatment planning and execution. The book will equip readers with the knowledge required in order to apply and interpret 3D imaging to the benefit of patients. All of the authors have been carefully selected on the basis of their expertise in the field. In describing current thinking on the merits of 3D craniofacial imaging, they draw both on the available scientific literature and on their own translational research findings.
