LES VERRES IONOMERES MODIFIES PAR ADDITION DE RESINE PDF Download
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Author: XAVIER.. INGHILLERI
Publisher:
ISBN:
Category :
Languages : fr
Pages :
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Author: XAVIER.. INGHILLERI
Publisher:
ISBN:
Category :
Languages : fr
Pages :
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Author: Paul Castaing
Publisher:
ISBN:
Category :
Languages : fr
Pages : 196
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Author: Hala Masmoudi
Publisher:
ISBN:
Category :
Languages : fr
Pages : 334
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Les ciments verres ionomères connaissent aujourd’hui un nouvel essor notamment avec la modification de leur composition basée sur l’adjonction de résine (CVIMAR), constituant ainsi une évolution importante de la chimie et des mécanismes de prise de ces matériaux. Persiste l’extrême sensibilité de ce ciment aux conditions environnementales et plus particulièrement en milieu hydrique. Ce travail, après une évaluation des propriétés des verres ionomères par rapport à celles du matériau d’obturation idéal, a consisté en une étude in vitro en 2 volets. Le 1er volet a pour objectif de comprendre les mécanismes de prise, le comportement et les réactions dans le temps de ce matériau, en rapport avec la conservation en milieux hydriques, en utilisant un test de dureté (test de caractérisation des matériaux). Les résultats mettent en évidence l’importance de l’eau dans l’établissement de la réaction acide-base, et l’effet néfaste de l’hydratation à long terme et de la déshydratation sur les échantillons. Le 2ème volet pose l’hypothèse que les CVI ont la capacité à s’autoréparer. La méthodologie a consisté à évaluer ce phénomène sur des ciments dégradés (fissuration spontanée ou indentation) par une observation au microscope optique. Les résultats mettent en évidence une régénération des CVI traditionnels (Fuji IX®) et des CVIMAR (Fuji II LC®) dégradés au bout de 2 jours de conservation dans l’eau du robinet et la solution modifiée de Fusayama, mais pas dans l’eau déminéralisée. Cette étude préliminaire confirme les potentialités cliniques des CVI: biomatériaux automordançants, bioactifs et autoréparateurs et ouvre sur de nouvelles perspectives de recherche.
Author: Erwan Mazeas
Publisher:
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Category :
Languages : fr
Pages :
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Author: Katrin Bekes
Publisher: Springer
ISBN: 3319719793
Category : Medical
Languages : en
Pages : 180
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This book provides wide-ranging information on current clinical and scientific knowledge on the various aspects of fissure sealing. Trends in the epidemiology of caries are first examined, followed by thorough description of the morphology of pits and fissures and types of sealant. The role of sealants in the prevention of caries is discussed. Diagnostic parameters are presented, along with step-by-step descriptions of clinical procedures for fissure sealing. Chapters are also included on alternative techniques of fissure sealing, sealing of carious fissures, and therapeutic fissure sealing. The final chapter in the book focuses on the cost effectiveness of the procedure. Tooth surfaces with pits and fissures are particularly vulnerable to caries development. Sealants were developed to help manage these sites of the tooth and safeguard the surfaces from decay. This book has been written by acknowledged experts in the field. It will be of value for all dental professionals seeking to deepen their understanding of current knowledge on the science and the clinical application of pit and fissure sealants.
Author: Imad About
Publisher: Springer Nature
ISBN: 3030809323
Category : Medical
Languages : en
Pages : 233
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This book is a comprehensive guide to BiodentineTM, an innovative biocompatible and bioactive material based on pure tricalcium silicate that can permanently replace dentin and can also serve as a temporary enamel substitute. Although BiodentineTM has been widely used across the world for the past decade, this is the first book to be devoted to its properties, interactions with the soft and hard tissues, and its multiple clinical applications. The coverage encompasses applications in primary and permanent teeth, in specialties as diverse as restorative dentistry, endodontics, paediatric dentistry, dental traumatology, and prosthetic dentistry. BiodentineTM application both in vital pulp therapy and endodontic procedures is illustrated and clinical step by step protocols are provided. The book provides a detailed update on BiodentineTM use to preserve the pulp vitality in direct/indirect pulp capping, pulpotomy and irreversible pulpitis treatment. It also details BiodentineTM use for non-vital teeth treatment in indications such as root/furcation perforation repair, apexification as well as in regenerative endodontic procedures. BiodentineTM: Properties and Clinical Applications will be a rich source of guidance and information for all dentists as well as dental students and academics.
Author: Canada. Patent Office
Publisher:
ISBN:
Category : Copyright
Languages : en
Pages : 1070
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Author: Perry Eugene Howard
Publisher:
ISBN:
Category : Fertilizer industry
Languages : en
Pages : 26
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In this publication is given a brief description of the production of commercial fertilizer. It is believed that this description, which complex technical discussion and statistics are avoided, will be of use to students, as well as farmers and gardeners.
Author: M. A. Pollard
Publisher: Ilsi Press
ISBN: 9780944398630
Category : Dental care
Languages : en
Pages : 0
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