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Author: Fidele El-Nabbout
Publisher:
ISBN:
Category :
Languages : fr
Pages : 203
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Book Description
Cette étude est une mise au point sur les valeurs d'ancrage en orthodontie et leurs influences sur les choix thérapeutiques. Un échantillon de 120 sujets a été analysé. L'utilisation du scanner 3D et des logiciels C2000-Cépha et Cépha3DT, nous permet de faire la sélection des dents ensuite, calculer certains paramètres d'anatomie dentaire tels que les volumes radiculaires, ces derniers peuvent servir comme éléments essentiels pour définir l'ancrage en orthodontie. A partir de cette sélection, le logiciel C2000 réalise une reconstruction ; ceci permet la détermination de paramètres indispensables dans l'étude des dents et de leur rôle dans le choix des attitudes thérapeutiques en orthodontie : - les valeurs d'ancrage des dents et des groupes de dents, - la localisation tridimensionnelle des centres de résistance de groupe. Les données anatomiques individuelles et par groupe de dents éclairent d'un jour nouveau certaines options thérapeutiques. Les valeurs guides sont calculées et comparées à celles proposées dans la littérature. Les nouveaux coefficients d'ancrage proposés remettent en cause certaines attitudes thérapeutiques en orthodontie, et cela nous induit à une attitude thérapeutique plus prudente quelquefois. L'utilisation pratique de ces centres de gravité de groupe, trouve une application clinique immédiate dans les calculs de mécanique conventionnelle et dans les calculs des mécaniques s'appuyant sur des ancrages absolus, c.à.d. sur les micros-vis.
Author: Fidele El-Nabbout
Publisher:
ISBN:
Category :
Languages : fr
Pages : 203
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Book Description
Cette étude est une mise au point sur les valeurs d'ancrage en orthodontie et leurs influences sur les choix thérapeutiques. Un échantillon de 120 sujets a été analysé. L'utilisation du scanner 3D et des logiciels C2000-Cépha et Cépha3DT, nous permet de faire la sélection des dents ensuite, calculer certains paramètres d'anatomie dentaire tels que les volumes radiculaires, ces derniers peuvent servir comme éléments essentiels pour définir l'ancrage en orthodontie. A partir de cette sélection, le logiciel C2000 réalise une reconstruction ; ceci permet la détermination de paramètres indispensables dans l'étude des dents et de leur rôle dans le choix des attitudes thérapeutiques en orthodontie : - les valeurs d'ancrage des dents et des groupes de dents, - la localisation tridimensionnelle des centres de résistance de groupe. Les données anatomiques individuelles et par groupe de dents éclairent d'un jour nouveau certaines options thérapeutiques. Les valeurs guides sont calculées et comparées à celles proposées dans la littérature. Les nouveaux coefficients d'ancrage proposés remettent en cause certaines attitudes thérapeutiques en orthodontie, et cela nous induit à une attitude thérapeutique plus prudente quelquefois. L'utilisation pratique de ces centres de gravité de groupe, trouve une application clinique immédiate dans les calculs de mécanique conventionnelle et dans les calculs des mécaniques s'appuyant sur des ancrages absolus, c.à.d. sur les micros-vis.
Author: Pierre Journel
Publisher:
ISBN:
Category :
Languages : fr
Pages : 188
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Book Description
Les premiers systèmes de remplacement d’une ou de plusieurs dents manquantes par une technique implantaire sont apparus il y a plus de 40 ans. Depuis les techniques et les matériaux n’ont cessé d’évoluer afin d’améliorer l’esthétique et la fiabilité des restaurations.La pérennité dune restauration implantaire passe par le respect de nombreux critères aussi bien chirurgicaux que prothétiques. La qualité de fixation du pilier à son implant est un élément essentiel dans ce domaine et c’est la vis qui en est le garant.Or cette vis varie par sa forme, sa taille, son matériau et son procédé de fabrication suivant les différentes sociétés.Notre pré-étude réalisée sur différents protocoles permettant d’étudier la qualité de cette fixation nous a permis d’écarter certains protocoles dont les résultats se sont avérés insuffisants pour se concentrer sur l’utilisation d’un scanner à rayons X suivi d’une reconstruction tridimensionnelle par ordinateur.
Author: Suresh K. Mukherji
Publisher: Thieme
ISBN: 1604065257
Category : Medical
Languages : en
Pages : 982
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Book Description
Designed for easy use at the PACS station of viewbox, here is your right-hand tool and pictorial guide for locating, identifying, and accurately diagnosing lesions of the extracranial head and neck. This beautifully produced atlas employs the spaces concept of analysis, which helps radiologists directly visualize complex head and neck anatomy and pathology. With hundreds of high quality illustrations, this book makes the identification and localization of complex neck masses relatively simple. This book provides CT and MR examples for more than 200 different diseases of the suprahyoid and infrahyoid neck, as well as clear and concise information on the epidemiology, clinical findings, pathology, and treatment guidelines for each disease. Each space within the head and neck has its own separate section, with examples of the common pathology that arises in this area. A standard format consisting of "Epidemiology, Clinical Presentation, Pathology, Treatment, and Imaging Findings," allows quick and efficient access to well-structured subjects. This uniform organization streamlines research for radiologists at any level of training. Although well over 200 pathologies are included within this remarkable text, Atlas of Head and Neck Imaging focuses primarily on the suprahyoid and infrahyoid neck, providing exceptionally detailed information on the most challenging aspects of this field. Radiologists and radiation oncologists will find this visual text ideal as a quick anatomic reference and diagnostic tool. Radiology residents preparing for board exams and neuroradiology fellows and staff studying for the CAQ exam will also benefit from the wealth of information.
Author: Nicholas Ayache
Publisher: Springer
ISBN: 9783642334535
Category : Computers
Languages : en
Pages : 645
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Book Description
The three-volume set LNCS 7510, 7511, and 7512 constitutes the refereed proceedings of the 15th International Conference on Medical Image Computing and Computer-Assisted Intervention, MICCAI 2012, held in Nice, France, in October 2012. Based on rigorous peer reviews, the program committee carefully selected 252 revised papers from 781 submissions for presentation in three volumes. The third volume includes 79 papers organized in topical sections on diffusion imaging: from acquisition to tractography; image acquisition, segmentation and recognition; image registration; neuroimage analysis; analysis of microscopic and optical images; image segmentation; diffusion weighted imaging; computer-aided diagnosis and planning; and microscopic image analysis.
Author:
Publisher: Academic Press
ISBN: 012815506X
Category : Science
Languages : en
Pages : 658
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Book Description
Pangolins: Science, Society and Conservation brings together experts from around the world to document the most up-to-date scientific knowledge on pangolins and their conservation. It chronicles threats facing the species, explores the current initiatives required to protect them, and looks ahead at the future of pangolin science and conservation efforts. Led by a team of editors with more than 20 years collective experience in pangolin conservation, this book includes accounts of the species' evolution, morphology, and systematics. It discusses the role of pangolins in historically symbolic, mythological, and ritualistic practices across Africa, Asia, and Europe, as well as contemporary practices including international trafficking. Chapters in the latter portion of this book focus on conservation solutions, including law enforcement and international policy, behavior change, local community engagement, ex situ conservation, tourism, and other interventions needed to secure the future of the species. Pangolins: Science, Society and Conservation is the latest volume in Elsevier's species-specific series, Biodiversity of the World: Conservation from Genes to Landscapes. This book is a valuable resource for researchers and students in species conservation science, planning, and policymaking. - Provides detailed accounts of the natural history and conservation status of each pangolin species - Explores the cultural significance of pangolins, historic and contemporary use, and international trade and trafficking - Discusses conservation solutions ranging from law enforcement and local community engagement to ex situ conservation, innovative finance, and tourism
Author: Mark L. Urken
Publisher: Lippincott Williams & Wilkins
ISBN: 1451180780
Category : Medical
Languages : en
Pages : 553
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Book Description
This Atlas depicts in a clear manner the use of regional skin, muscle and musculocutaneous flaps as well as donor sites from distant regions of the body where vascularized skin, muscle, bone, and nerves can be harvested and transferred to the head and neck. Otolaryngologists, plastic surgeons and general surgeons use both regional and free flaps to reconstruct damage to the head and neck caused by cancer and trauma. This Atlas provides the surgeon with techniques for mastering different donor sites needed to find solutions to virtually every reconstruction problem. It provides detailed descriptions of the anatomy and harvesting techniques of the major regional and free-flap donor sites currently employed in head and neck reconstruction.
Author: Christopher C. Chang
Publisher: Springer
ISBN: 1493902652
Category : Medical
Languages : en
Pages : 600
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Book Description
Diseases of the Sinuses: A Comprehensive Textbook of Diagnosis and Treatment, 2nd Edition, offers the definitive source of information about the basic science of the sinuses and the clinical approach to sinusitis. Since the widely praised publication of the first edition, understanding of sinus disease has changed dramatically, mainly as a result of recent developments and new discoveries in the field of immunology. This updated and expanded edition is divided into sections addressing, separately, the pathogenesis, clinical presentation, medical and surgical management of acute and chronic rhinosinusitis. Special entities such as autoimmune-related sinusitis, allergy and sinusitis, and aspirin-exacerbated respiratory disease are discussed in separate chapters. The role of immunodeficiency is also addressed. The management section has been fully updated to incorporate new medical modalities and surgical procedures. Developed by a distinguished group of international experts who share their expertise and insights from years of collective experience in treating sinus diseases, the book will appeal to anyone who has an interest in sinus disease, including both physicians and allied health professionals. Internists, pediatricians, allergists, otolaryngologists and infectious disease specialists will find the book to be an invaluable, comprehensive reference. Physician assistants and nurse practitioners who work with specialists who treat sinus disease will also benefit from the book.
Author: Nicholas Ayache
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: K.W. Marck
Publisher:
ISBN: 9783925188411
Category :
Languages : en
Pages :
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Book Description
Author:
Publisher: Dorling Kindersley
ISBN: 9780241287286
Category : Arabic language
Languages : en
Pages : 360
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Book Description
Learn more than 6000 French words and phrases with this easy to use dictionary that features illustrations of objects and scenes from everyday life.
