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Author: Eliana Sarit
Publisher:
ISBN:
Category :
Languages : en
Pages : 81
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Book Description
Growth of the mandible affects the outcome of orthodontic treatment in children. Traditionally, evaluation of mandibular growth uses 2D cephalometric analyses. While still used by orthodontists today, these 2D analyses are fraught with errors in measurement associated with interpreting 2D projections of 3D structures. Cone Beam Computer Tomography (CBCT) provides a means to study craniofacial structures in 3D. The objective of this study is to identify 3D topographical changes of mandible during the period of growth and development in orthodontic patients. Ten subjects with serial CBCT images were selected from the Bolton-Brush collection. The age of the subjects ranged from 8 to 14 years-old. Mandibular growth is evaluated using serial pairs of CBCT images which are segmented, superimposed using regional voxel-based mutual information, and quantitatively evaluated in AmiraXImage®. Surface topography changes over time in these 19 subjects are reported as follows: 56% of surface remodeling at a threshold of 0.5mm, median remodeling of 0.6mm, 0.8mm 0.6mm SD. Intra- and inter-rater ICC reliability for for surface generation (0.82 and 0.90, respectively) and superimpositions (0.94 and 0.93, respectively) demonstrate the reliability of the technique. The findings of this study support theories of bone remodeling reported in histological and radiographic studies of mandibular growth.
Author: Eliana Sarit
Publisher:
ISBN:
Category :
Languages : en
Pages : 81
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Book Description
Growth of the mandible affects the outcome of orthodontic treatment in children. Traditionally, evaluation of mandibular growth uses 2D cephalometric analyses. While still used by orthodontists today, these 2D analyses are fraught with errors in measurement associated with interpreting 2D projections of 3D structures. Cone Beam Computer Tomography (CBCT) provides a means to study craniofacial structures in 3D. The objective of this study is to identify 3D topographical changes of mandible during the period of growth and development in orthodontic patients. Ten subjects with serial CBCT images were selected from the Bolton-Brush collection. The age of the subjects ranged from 8 to 14 years-old. Mandibular growth is evaluated using serial pairs of CBCT images which are segmented, superimposed using regional voxel-based mutual information, and quantitatively evaluated in AmiraXImage®. Surface topography changes over time in these 19 subjects are reported as follows: 56% of surface remodeling at a threshold of 0.5mm, median remodeling of 0.6mm, 0.8mm 0.6mm SD. Intra- and inter-rater ICC reliability for for surface generation (0.82 and 0.90, respectively) and superimpositions (0.94 and 0.93, respectively) demonstrate the reliability of the technique. The findings of this study support theories of bone remodeling reported in histological and radiographic studies of mandibular growth.
Author: Bryon Joseph Viechnicki
Publisher:
ISBN:
Category :
Languages : en
Pages : 69
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Book Description
Three-dimensional analysis of mandibular growth provides the potential for pedodontists, orthodontists and surgeons to prescribe treatment that works in harmony with the individual growth of the patient. Despite efforts by 3D pioneers, the visualization of growth and development remains reminiscent of the landmark-based cephalometric analyses used in two-dimensional studies. The objective of this study was to identify 3D topographical changes of the mandible during growth and development of adolescent orthodontic patients. Nine pairs of pre- and post-orthodontic cone-beam computed tomography (CBCT) scans were used to generate mandibular surfaces. Surfaces were superimposed on trabecular bone in the anterior mandible using a mutual information algorithm, and topographical changes were visualized and quantified. The intra- and inter-rater intraclass correlation coefficients for surface generation (0.94 and 0.93, respectively) and superimposition (0.96 and 0.82, respectively) demonstrate the reliability of the techniques. The findings of this study support the theories of bone remodeling reported in histological, implant-based, and landmark studies of mandibular growth.
Author: James A. McNamara
Publisher:
ISBN:
Category : Mandible
Languages : en
Pages : 298
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Book Description
Author: Paul W. Flint
Publisher: Elsevier Health Sciences
ISBN: 0323080871
Category : Medical
Languages : en
Pages : 3675
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Book Description
Through four editions, Cummings Otolaryngology has been the world's most trusted source for comprehensive guidance on all facets of head and neck surgery. This 5th Edition - edited by Paul W. Flint, Bruce H. Haughey, Valerie J. Lund, John K. Niparko, Mark A. Richardson, K. Thomas Robbins, and J. Regan Thomas – equips you to implement all the newest discoveries, techniques, and technologies that are shaping patient outcomes. You'll find new chapters on benign neoplasms, endoscopic DCR, head and neck ultrasound, and trends in surgical technology... a new section on rhinology... and coverage of hot topics such as Botox. Plus, your purchase includes access to the complete contents of this encyclopedic reference online, with video clips of key index cases! Overcome virtually any clinical challenge with detailed, expert coverage of every area of head and neck surgery, authored by hundreds of leading luminaries in the field. See clinical problems as they present in practice with 3,200 images - many new to this edition. Consult the complete contents of this encyclopedic reference online, with video clips of key index cases! Stay current with new chapters on benign neoplasms, endoscopic DCR, head and neck ultrasound, and trends in surgical technology... a new section on rhinology... and coverage of hot topics including Botox. Get fresh perspectives from a new editorial board and many new contributors. Find what you need faster through a streamlined format, reorganized chapters, and a color design that expedites reference.
Author: Arathi Rao
Publisher: JP Medical Ltd
ISBN: 9350258919
Category : Medical
Languages : en
Pages : 529
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Book Description
• A thoroughly updated, complete, comprehensive, yet easy to understand book, suitable for the undergraduate students • Covers all the topics in compliance with the syllabus of various universities in a very easy to understand way with adequate illustrations • This edition comprises of 31 chapters designed in a simple and easy to follow manner • Includes a chapter on 'Medical Emergencies in Dental Clinic' as management of such emergencies is very essential in day-to-day practice of dentistry for children.
Author: Symposium on Craniofacial Growth
Publisher:
ISBN: 9780608183428
Category : Mandible
Languages : en
Pages : 281
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Book Description
Author:
Publisher:
ISBN:
Category : Dentistry
Languages : en
Pages : 136
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Book Description
Listings of extramural and intramural projects. Information provided is project number, subject, investigator, and laboratory/branch.
Author:
Publisher:
ISBN:
Category : Medicine
Languages : en
Pages : 852
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Book Description
Author: Sridhar Premkumar
Publisher: JP Medical Ltd
ISBN: 9350251825
Category : Medical
Languages : en
Pages : 397
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Book Description
Textbook of Craniofacial Growth is a "one stop" guide to craniofacial growth and development, for both undergraduate and postgraduate students. The book begins with the basics - biology of bone and cartilage, physiology of bone and craniofacial growth and development. Assisted by comprehensive flow charts and well-illustrated diagrams, the text then examines control mechanisms, development of dentition, temporomandibular joint, mycology, neuromuscular reflexes and the maturation of orofacial functions. Craniofacial anomalies and the influence of genetics on growth are also discussed, guiding students through normal versus subnormal growth.
Author: Martyn T. Cobourne
Publisher: Elsevier Health Sciences
ISBN: 0323882625
Category : Medical
Languages : en
Pages : 659
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Book Description
The Handbook of Orthodontics offers a concise and accessible overview of the scientific and clinical basis of orthodontics.This popular textbook explores the concepts of occlusion and malocclusion, craniofacial development, postnatal growth and development of the dentition. It takes the reader through the principles of patient examination, orthodontic diagnosis and treatment planning - with detailed chapters on the management of malocclusion, dentofacial orthopaedics, fixed appliances, skeletal anchorage, aligner systems and orthognathic surgery. There is a strong emphasis on evidence-based medicine throughout, with a dedicated chapter outlining the theoretical basis of good clinical research and critical appraisal, with summaries of the latest clinical evidence throughout the book.A clear writing style and the inclusion of over 500 high-quality illustrations make the Handbook a defining text for postgraduate students training for specialist exams and dental undergraduates wanting to learn more about clinical orthodontics. - Covers the theoretical basis of orthodontics in detail, including definitive chapters on craniofacial development, postnatal growth, development of the dentition and craniofacial syndromes. - Full coverage of clinical orthodontics including examination, diagnosis and the use of contemporary removable, fixed and clear aligner appliance systems. - Evidence-based updates are present throughout – ideal for students wanting a comprehensive overview of the latest clinical research. - Controversies and areas of special interest are covered in standalone text boxes. - Consolidated bibliography with short summaries of important papers so you can easily keep up to date. - More than 500 illustrations and photographs to help explain and illustrate specific points. - Easy to read and navigate – helps you to understand the complex concepts. - Small enough to carry around with you as a quick reference guide. - New chapters on Dentofacial orthopaedics, Skeletal anchorage and Clear aligner systems. - Over 150 new figures
