Sensitivity and Accuracy of Cone Beam Computed Tomography in Diagnosing Osseous Defects at the Mandibular Condyle PDF Download
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Author: Alpesh Patel
Publisher:
ISBN:
Category :
Languages : en
Pages : 90
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Book Description
Abstract: Objectives: To assess the ability of using cone-beam computed tomography (CBCT) to diagnose small osseous defects at the mandibular condyle, this study investigated: 1) the impact of defect size and CBCT scan resolutions on the accuracy of qualitative and quantitative diagnoses of condylar defects and, 2) the ability to determine a suspected defect to be true/false based on CBCT measurements. Methods: Cylindrical holes simulating condylar defects of varied levels of diameter (=2mm; 2-3mm; >3mm) and depth (=2mm; >2mm) were created at 22 fresh pig mandibular condyles, with defect number/size per condyle/quadrant randomly determined. With soft tissues repositioned, CBCT scans (0.4mm, 0.2mm voxel-size) of the pig heads were obtained. Reconstructed CBCT data were analyzed independently by two calibrated, blinded raters using Dolphin-3D to diagnose osseous defects qualitatively (defect identification/localization) and quantitatively (geometric measurements of diameter/depth), which were compared to physical diagnoses obtained from polyvinyl siloxane impressions. Statistical tests were conducted for the research objectives. Results: Overall, qualitative defect identification/localization demonstrated moderate inter-rater reliability, excellent specificity and sensitivity, except for extremely small defects (both diameter and depth
Author: Alpesh Patel
Publisher:
ISBN:
Category :
Languages : en
Pages : 90
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Book Description
Abstract: Objectives: To assess the ability of using cone-beam computed tomography (CBCT) to diagnose small osseous defects at the mandibular condyle, this study investigated: 1) the impact of defect size and CBCT scan resolutions on the accuracy of qualitative and quantitative diagnoses of condylar defects and, 2) the ability to determine a suspected defect to be true/false based on CBCT measurements. Methods: Cylindrical holes simulating condylar defects of varied levels of diameter (=2mm; 2-3mm; >3mm) and depth (=2mm; >2mm) were created at 22 fresh pig mandibular condyles, with defect number/size per condyle/quadrant randomly determined. With soft tissues repositioned, CBCT scans (0.4mm, 0.2mm voxel-size) of the pig heads were obtained. Reconstructed CBCT data were analyzed independently by two calibrated, blinded raters using Dolphin-3D to diagnose osseous defects qualitatively (defect identification/localization) and quantitatively (geometric measurements of diameter/depth), which were compared to physical diagnoses obtained from polyvinyl siloxane impressions. Statistical tests were conducted for the research objectives. Results: Overall, qualitative defect identification/localization demonstrated moderate inter-rater reliability, excellent specificity and sensitivity, except for extremely small defects (both diameter and depth
Author: Elizabeth Marie Matteson Jones
Publisher:
ISBN:
Category :
Languages : en
Pages : 56
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Book Description
Results: Image diagnoses of all imaging/analysis methods showed good or excellent intra- and inter-rater reliability except for those of segmented CBCT images, which were substantially lower. The numbers of over- and under-diagnosis per condylar region were not significantly differences among varied imaging/analysis methods (Wilcoxon tests, p>0.05) but those from CT tended to be lower than CBCT. Classification functions demonstrate substantial lower sensitivity and accuracy with CBCT than with CT. Logistic regression showed CT had a significantly higher probability (odds ratio 2.4) than CBCT in reaching correct diagnosis, while the use of image segmentation and color mapping did not improve the diagnostic accuracy from CBCT images. Conclusions: Even at a lower voxel-size than medical CT, orthodontic-grade CBCT images of mandibular condyles are inherently more difficult than CT images for diagnosing small condylar defects, and this limitation cannot be overcome by using image segmentation and color mapping.
Author: William C. Scarfe
Publisher: Springer
ISBN: 3319620614
Category : Medical
Languages : en
Pages : 1241
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Book Description
The book provides a comprehensive description of the fundamental operational principles, technical details of acquiring and specific clinical applications of dental and maxillofacial cone beam computed tomography (CBCT). It covers all clinical considerations necessary for optimal performance in a dental setting. In addition overall and region specific correlative imaging anatomy of the maxillofacial region is described in detail with emphasis on relevant disease. Finally imaging interpretation of CBCT images is presented related to specific clinical applications. This book is the definitive resource for all who refer, perform, interpret or use dental and maxillofacial CBCT including dental clinicians and specialists, radiographers, ENT physicians, head and neck, and oral and maxillofacial radiologists.
Author: Shanon Patel
Publisher: Quintessenz Verlag
ISBN: 3868673334
Category : Medical
Languages : en
Pages : 401
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Book Description
In recent years, cone beam computed tomography (CBCT) has become much more widely available and utilised in all aspects of dentistry, including endodontics. Cone Beam Computed Tomography in Endodontics is designed to inform readers about the appropriate use of CBCT in endodontics, and enhance their clinical practice with this exciting imaging modality.
Author: Dale A. Miles
Publisher: Elsevier Health Sciences
ISBN: 0323311792
Category : Medical
Languages : en
Pages : 265
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Book Description
This issue of Dental Clinics updates topics in CBCT and Dental Imaging. Articles will cover: basic principles of CBCT; artifacts interfering with interpretation of CBCT; basic anatomy in the three anatomic planes of section; endodontic applications of CBCT; pre-surgical implant site assessment; software tools for surgical guide construction; CBCT for the nasal cavity and paranasal sinuses; CBCT and OSA and sleep disordered breathing; update on CBCT and orthodontic analyses; liabilities and risks of using CBCT; reporting findings in a CBCT volume, and more!
Author: Robin Lee Gallardi
Publisher:
ISBN: 9783659586088
Category :
Languages : en
Pages : 140
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Book Description
Author: Pietro Caruso
Publisher: Springer Science & Business Media
ISBN: 8847053196
Category : Medical
Languages : en
Pages : 159
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Book Description
Cone beam computed tomography (CBCT) has become the standard of reference in dental imaging. The distribution of CBCT devices is increasingly wide, and the number of required examinations is constantly growing. In this setting, it is now essential that medical and technical staff receive specific training in the use of CBCT and that technical guidelines for CBCT examinations are established. This clearly structured book on CBCT will be an ideal aid in daily clinical practice. It clearly explains basic CBCT anatomy, examination technique, and the use of 3D reformatting software. A wide range of cases are presented, covering the most frequent and relevant conditions and pathologies, including dental anomalies, inflammatory and degenerative disease, tumors, and implants.
Author: Robin Gallardi
Publisher:
ISBN:
Category :
Languages : en
Pages : 238
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Book Description
Author: Prashant P Jaju
Publisher: JP Medical Ltd
ISBN: 9351526399
Category : Medical
Languages : en
Pages : 133
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Book Description
Cone Beam Computed Tomography is an imaging technique in which x-rays diverge to form a cone. Cone Beam Computed Tomography: A Clinician’s Guide to 3D Imaging is a concise, highly illustrated manual on this increasingly important form of imaging in dentistry. Divided into twelve chapters, the book begins with a history of Cone Beam Computed Tomography, followed by chapters on the physics and apparatus of CBCT and the need for CBCT in dentistry. Further chapters cover the role of CBCT in specific sub-specialties of dentistry, and a glossary provides an explanation of CBCT terminology. The role of CBCT in prosthodontics, orthodontics and airway analysis, endodontics and caries diagnosis, oral and maxillofacial pathologies, periodontal disease and forensic odontology, is described in detail. This book also brings the reader up to date on possible future applications of CBCT in dentistry. Cone Beam Computed Tomography: A Clinician’s Guide to 3D Imaging includes 180 full colour images and illustrations, further enhancing this invaluable resource for dentists. Key Points Concise guide to 3D imaging in dentistry Includes a history and basics of CBCT, as well as the role of CBCT in various dentistry sub-specialties 189 full colour images and illustrations
Author: Yaser Safi
Publisher: John Wiley & Sons
ISBN: 1119667771
Category : Medical
Languages : en
Pages : 468
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Book Description
A comprehensive collection of oral and maxillofacial cases using cone beam CT imaging Atlas of Cone Beam Computed Tomography delivers a robust collection of cases using this advanced method of imaging for oral and maxillofacial radiology. The book features over 1,500 high-quality CBCT scans with succinct descriptions covering a wide range of maxillofacial region conditions, including normal anatomy, anomalies, inflammatory diseases, and degenerative diseases. Easy to navigate and featuring multiple images of normal variation and pathologies, the book offers readers guidance on the diagnostic values of CBCT, as well as CBCT images of the inferior alveolar nerve canal, dental implants, temporomandibular joint evaluations, and surgical interventions. The book also includes: A thorough introduction to cone beam computed tomography, including in vivo and in vitro preparation and evaluation, indications in dentistry, and indications in medicine Comprehensive explorations of cone beam computed tomography artefacts and anatomic landmarks Practical discussions of cone beam computed tomography of dental structure, including normal anatomy, anomalies, and the difficulties of eruption In-depth examinations of cone beam computed tomography of pathological growth and development, including maxillofacial congenital and developmental anomalies Perfect for graduate dental students and postgraduate dental students in oral and maxillofacial radiology, Atlas of Cone Beam Computed Tomography is also useful to general dentists, oral and maxillofacial radiologists, head and neck maxillofacial surgeons, head and neck radiologists, general radiologists, and ENT surgeons.
