Mechanical Properties Of Provisional Restorative Materials

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Mechanical Properties of Provisional Restorative Materials

Author : Graciela Shimizu Oliva
Publisher :
ISBN 13 :
Total Pages : 122 pages
Book Rating : 4.:/5 (688 download)

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Book Synopsis Mechanical Properties of Provisional Restorative Materials by : Graciela Shimizu Oliva

Download or read book Mechanical Properties of Provisional Restorative Materials written by Graciela Shimizu Oliva and published by . This book was released on 2010 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt: A provisional restoration must fulfill biologic, mechanical, and esthetic requirements. These prostheses should provide comfort, pulp protection, positional stability, occlusal function, hygiene access, esthetics, strength and retention. Methyl-methacrylate acrylic has assumed many applications in the field of restorative dentistry. However, the material still has deficiencies, such as polymerization shrinkage, pulpal damage associated with exothermic polymerization and susceptibility to fracture. Bis-GMA composites, Bis-acryl composites and visible light-cured urethane dimethacrylate resins have been developed to address these issues. The purpose of this study was to compare the mechanical properties of provisional restorations made from composite resins (Protemp Plus, Luxatemp Solar, Radica, Protemp Crown) to those made of the traditional methacrylate resins (Jet, Snap, High Impact). Six groups of samples, two groups from methacrylate and four groups from composite based materials, were fabricated. Samples from each group were evaluated for microhardness (n=10), flexural strength and flexural modulus (n=20) according to ISO 4049, and fracture toughness (n=20) according to ISO 13586. From each of the six groups, ten samples were tested for flexural strength, flexural modulus and fracture toughness and 5 samples were tested for microhardness. These tests were done after storing at 37°C in a distilled water solution for 7 days followed by thermal cycling (2500 cycles, 5-55°C, 45 s. dwell). Identical sets of samples from each group were used as controls; these were tested after storing for 24 hours in dry conditions. The results were analyzed by two-way ANOVA with material type and aging conditions as the two main variables. Significance level was set at p=0.05. For flexural strength and flexural modules, the higher values were obtained for Radica. Protemp plus (7 days) and Radica (24h) had the highest fracture toughness value. Protemp crown showed the highest surface hardness. The mechanical properties of composite resin were superior.

The Effects of Cyclic Loading on the Mechanical Properties of the Fiber Reinforced Provisional Restorative Materials

Author :
Publisher :
ISBN 13 :
Total Pages : 140 pages
Book Rating : 4.:/5 (927 download)

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Book Synopsis The Effects of Cyclic Loading on the Mechanical Properties of the Fiber Reinforced Provisional Restorative Materials by :

Download or read book The Effects of Cyclic Loading on the Mechanical Properties of the Fiber Reinforced Provisional Restorative Materials written by and published by . This book was released on 2015 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Mechanical Properties of Dental Restorative Materials

Author : Basem Mohammed Abuzenada
Publisher :
ISBN 13 :
Total Pages : 864 pages
Book Rating : 4.:/5 (775 download)

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Book Synopsis Mechanical Properties of Dental Restorative Materials by : Basem Mohammed Abuzenada

Download or read book Mechanical Properties of Dental Restorative Materials written by Basem Mohammed Abuzenada and published by . This book was released on 2006 with total page 864 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Mechanical Properties of Composite Dental Restorative Materials

Author : Richard J. Verrall
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (115 download)

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Book Synopsis Mechanical Properties of Composite Dental Restorative Materials by : Richard J. Verrall

Download or read book Mechanical Properties of Composite Dental Restorative Materials written by Richard J. Verrall and published by . This book was released on 1979 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Evaluation of Mechanical Properties of Provisional Fixed Partial Denture PMMA Material Containing Alumina Nanofibers

Author : Maher Saeed Hajjaj
Publisher :
ISBN 13 :
Total Pages : 200 pages
Book Rating : 4.:/5 (794 download)

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Book Synopsis Evaluation of Mechanical Properties of Provisional Fixed Partial Denture PMMA Material Containing Alumina Nanofibers by : Maher Saeed Hajjaj

Download or read book Evaluation of Mechanical Properties of Provisional Fixed Partial Denture PMMA Material Containing Alumina Nanofibers written by Maher Saeed Hajjaj and published by . This book was released on 2012 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provisional restorative treatment is an essential part of fixed prosthodontics. Incorporation of adequately constructed provisional restorations will enhance the success rate of definitive restorations. Repairing or replacing failed provisional restorations is a concern for both clinicians and patients. The objective of this investigation was to study the effects of alumina nanofibers reinforcement on the mechanical properties of commercially available provisional fixed partial denture PMMA material. The hypothesis was that the addition of alumina nanofibers to commercially available PMMA resin will significantly increase its flexural strength, fracture toughness, and microhardness. Alumina nanofibers at 0.0 wt %, 0.5 wt %, 1.0 wt %, and 2.5 wt % were added to commercially available provisional fixed partial material (Jet Tooth Shade). A quaternary ammonium acetate dispersant (CC-59, Goldschmidt, Janesville, WI) was added to the acrylic monomer at 0.0 wt %, 1.0 wt %, 2.0 wt % and 5.0 wt % of the nanofiber weight (12 test groups, 1 control). Samples from each group were evaluated for flexural strength, flexural modulus, fracture toughness, and microhardness. The samples were tested after storing in distilled water for 24 hours and 7 days at 37ðC. Two-way analysis of variance (ANOVA) was used to test the effects of storage time and combinations of alumina nanofiber level and quaternary ammonium acetate dispersant level on the flexural strength, fracture toughness, and microhardness of the provisional PMMA resin. Pair-wise comparisons between groups were performed using Tukey's multiple comparisons procedure to control the overall significance level at 5 percent. Three fracture toughness samples/group were randomly selected for Energy Dispersive Spectrometry (EDS) to qualitatively evaluate the dispersion of the fibers. The data obtained from this study showed that control sample values were in the acceptance range compared with previous research. The experimental samples did not reinforce the provisional resin in the flexural strength, modulus, fracture toughness, or microhardness. There are several factors may attribute to these results, such as poor bonding at the filler/matrix interface. The more homogeneous the mixture of PMMA and fiber, the stronger the acrylic resin. In fact, the presence of poorly bonded fibers, to which little load is transferred, can be almost equivalent to voids. In addition, as seen with EDS images, alumina nanofibers had a tendency to agglomerate. The use of a magnetic stirrer was not effective in physically separating nanofibers agglomerates. Direct dispersion of alumina nanofibers in methyl methacrylate monomer and quaternary ammonium acetate dispersant was not effective in separating the nanofibers into nano-scaled single crystals. The presence of fiber agglomerates acts as a structural defect that detrimentally affects the mechanical properties. Further studies are needed to evaluate the effectiveness of fibers, dispersion techniques, and coupling agents to enhance the mechanical properties of the provisional PMMA resin.

Dental Materials at a Glance

Author : J. Anthony von Fraunhofer
Publisher : John Wiley & Sons
ISBN 13 : 1118646649
Total Pages : 33 pages
Book Rating : 4.1/5 (186 download)

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Book Synopsis Dental Materials at a Glance by : J. Anthony von Fraunhofer

Download or read book Dental Materials at a Glance written by J. Anthony von Fraunhofer and published by John Wiley & Sons. This book was released on 2013-05-31 with total page 33 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dental Materials at a Glance, 2nd edition, is the latest title in the highly popular At a Glance series, providing a concise and accessible introduction and revision aid. Following the familiar, easy-to-use at a Glance format, each topic is presented as a double-page spread with key facts accompanied by clear diagrams encapsulating essential information. Systematically organized and succinctly delivered, Dental Materials at a Glance covers: Each major class of dental material and biomaterial Basic chemical and physical properties Clinical handling and application Complications and adverse effects of materials Dental Materials at a Glance is the ideal companion for all students of dentistry, residents, and junior clinicians. In addition, the text will provide valuable insight for general dental practitioners wanting to update their materials knowledge and be of immediate application for dental hygienists, dental nurses, dental assistants, and technicians.

Dental Materials at a Glance

Author : J. Anthony von Fraunhofer
Publisher : John Wiley & Sons
ISBN 13 : 1118696980
Total Pages : 73 pages
Book Rating : 4.1/5 (186 download)

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Book Synopsis Dental Materials at a Glance by : J. Anthony von Fraunhofer

Download or read book Dental Materials at a Glance written by J. Anthony von Fraunhofer and published by John Wiley & Sons. This book was released on 2013-05-06 with total page 73 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dental Materials At A Glance is a title in the highly popular at a Glance series. It provides a concise and accessible introduction and revision aid. Following the familiar, easy-to-use at a Glance format, each topic is presented as a double-page spread with key facts accompanied by clear diagrams encapsulating essential information. Systematically organized and succinctly delivered, Dental Materials At A Glance covers: Each major class of dental materials and biomaterials Basic chemical and physical properties Clinical handling and application Complications and adverse effects of materials Dental Materials At A Glance is the ideal companion for all students of dentistry and junior clinicians. In addition the text will provide valuable insight for general dental practitioners wanting to update their materials knowledge.

Physical and Mechanical Properties of Some Resin-Based Restorative Materials After Immersion in Two Different Media

Author : Cui Huang
Publisher : Open Dissertation Press
ISBN 13 : 9781361435458
Total Pages : pages
Book Rating : 4.4/5 (354 download)

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Book Synopsis Physical and Mechanical Properties of Some Resin-Based Restorative Materials After Immersion in Two Different Media by : Cui Huang

Download or read book Physical and Mechanical Properties of Some Resin-Based Restorative Materials After Immersion in Two Different Media written by Cui Huang and published by Open Dissertation Press. This book was released on 2017-01-27 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation, "Physical and Mechanical Properties of Some Resin-based Restorative Materials After Immersion in Two Different Media" by 黃翠, Cui, Huang, was obtained from The University of Hong Kong (Pokfulam, Hong Kong) and is being sold pursuant to Creative Commons: Attribution 3.0 Hong Kong License. The content of this dissertation has not been altered in any way. We have altered the formatting in order to facilitate the ease of printing and reading of the dissertation. All rights not granted by the above license are retained by the author. DOI: 10.5353/th_b3862809 Subjects: Dental resins - Mechanical properties - Testing Strength of materials - Testing

Medical Device Materials

Author : Sanjay Shrivastava
Publisher : ASM International
ISBN 13 : 1615032606
Total Pages : 536 pages
Book Rating : 4.6/5 (15 download)

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Book Synopsis Medical Device Materials by : Sanjay Shrivastava

Download or read book Medical Device Materials written by Sanjay Shrivastava and published by ASM International. This book was released on 2004-01-01 with total page 536 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this proceedings volume, professionals from the medical device industry and their suppliers share technological and scientific knowledge, as well as insights into the latest innovations. The focus is on metallic materials, such as titanium alloys, Nitinol, cobalt-chromium alloys, stainless steels and noble metals, as applied in various medical devices. Topics range from orthopedics to orthodontics, materials selection to materials characterization. --

Dental Materials

Author : Carol Dixon Hatrick
Publisher : Elsevier Health Sciences
ISBN 13 : 1437723861
Total Pages : 306 pages
Book Rating : 4.4/5 (377 download)

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Book Synopsis Dental Materials by : Carol Dixon Hatrick

Download or read book Dental Materials written by Carol Dixon Hatrick and published by Elsevier Health Sciences. This book was released on 2010-02-05 with total page 306 pages. Available in PDF, EPUB and Kindle. Book excerpt: With this hands-on resource, you will learn the most current methods of placing -- or assisting in the placement -- of dental materials, and how to instruct patients in their maintenance. Dental Materials uses step-by-step procedures to show how to mix, use, and apply dental materials within the context of the patient’s course of treatment. Expert authors Carol Hatrick, W. Stephan Eakle, and William F. Bird enhance this edition with four new chapters, along with coverage of newly approved materials and esthetic tools including the latest advances in bleaching and bonding. A new companion Evolve website lets you practice skills with challenging exercises! Procedure boxes include step-by-step instructions for common tasks. Procedural icons indicate specific guidelines or precautions that need to be followed for each procedure. End-of-chapter review questions help you assess your retention of material, with answers provided in an appendix. End-of-chapter case-based discussions provide a real-life application of material covered in the chapter. Clinical tips and precautions emphasize important information, advice, and warnings on the use of materials. Key terms are defined at the beginning of each chapter, bolded within the chapter, and defined in the glossary. Objectives help you focus on the information to gain from each chapter. Introductions provide an overview of what will be discussed in each chapter. Summary tables and boxes make it easy to find and review key concepts and information. Full-color photos and illustrations show dental materials and demonstrate step-by-step procedures, including new clinical photos of bleaching and bonding. New Dental Ceramics chapter addresses the growth in esthetic dentistry by discussing porcelain crowns, inlays, and veneers and the process of selecting the proper shade. New Dental Amalgam chapter discusses the use of metal - still the most commonly used material in restorative and corrective dentistry. New Casting Alloys, Solders, and Wrought Metal Alloys chapter breaks down specific types of combination metals and the procedures in which they are used. New Dental Implants chapter covers several different types of implants as well as how to instruct patients on hygiene and home care of their implant(s). The Materials Handling section reflects the new Infection Control Environment (ICE) standards and all approved ADA methods for the disposal of surplus materials. A companion Evolve website includes exercises to help you identify images and master procedures, plus competency skill sheets to assess your understanding.

Mechanical Properties of Selected CAD/CAM and Conventional Interim Fixed Restorative Materials

Author : Abdulrahman Hassan Alzahrani
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (14 download)

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Book Synopsis Mechanical Properties of Selected CAD/CAM and Conventional Interim Fixed Restorative Materials by : Abdulrahman Hassan Alzahrani

Download or read book Mechanical Properties of Selected CAD/CAM and Conventional Interim Fixed Restorative Materials written by Abdulrahman Hassan Alzahrani and published by . This book was released on 2018 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Acoustic Emission

Author : Valentyn Skalskyi
Publisher : Springer Nature
ISBN 13 : 3031112911
Total Pages : 231 pages
Book Rating : 4.0/5 (311 download)

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Book Synopsis Acoustic Emission by : Valentyn Skalskyi

Download or read book Acoustic Emission written by Valentyn Skalskyi and published by Springer Nature. This book was released on 2022-08-20 with total page 231 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book presents topical theoretical and experimental studies for developing advanced methods of detecting materials fracture and assessing their structural state using acoustic emission. It introduces new mathematical models characterizing the displacement fields arising from crack-like defects and establishes a new criterion for classifying different types of materials fracture based on specific parameters obtained from wavelet transforms of acoustic emission signals. The book applies this approach to experimental studies in three types of materials—fiber-reinforced composites, dental materials, and hydrogen-embrittled steels.

Fixed Restorations

Author : Irena Sailer
Publisher : Quintessenz Verlag
ISBN 13 : 3868675639
Total Pages : 1858 pages
Book Rating : 4.8/5 (686 download)

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Book Synopsis Fixed Restorations by : Irena Sailer

Download or read book Fixed Restorations written by Irena Sailer and published by Quintessenz Verlag. This book was released on 2021-07-01 with total page 1858 pages. Available in PDF, EPUB and Kindle. Book excerpt: In Fixed Restorations: A Clinical Guide to the Selection of Materials and Fabrication Technology, the authors Irena Sailer, Vincent Fehmer, and Bjarni Pjetursson have created a timely and comprehensive guide to modern reconstructive dentistry. The book is divided into four parts: basic information regarding materials and production processes, step-by-step clinical procedures with extensive case presentations, long-term outcomes, and management of complications. With over 2000 clinical images and diagrams, backed up with the scientific evidence for recommendations, the best practice for tooth- and implant-supported fixed restorations is clearly described. The vast clinical and technical knowledge and experience of the authors has resulted in a unique textbook that will aid in decision making regarding material selection and procedures for all patients in need of fixed restorations.

Dental Composite Materials for Direct Restorations

Author : Vesna Miletic
Publisher : Springer
ISBN 13 : 3319609610
Total Pages : 310 pages
Book Rating : 4.3/5 (196 download)

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Book Synopsis Dental Composite Materials for Direct Restorations by : Vesna Miletic

Download or read book Dental Composite Materials for Direct Restorations written by Vesna Miletic and published by Springer. This book was released on 2017-11-25 with total page 310 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers both basic scientific and clinically relevant aspects of dental composite materials with a view to meeting the needs of researchers and practitioners. Following an introduction on their development, the composition of contemporary composites is analyzed. A chapter on polymerization explains the setting reactions and light sources available for light-cured composites. The quality of monomer-to-polymer conversion is a key factor for material properties. Polymerization shrinkage along with the associated stress remains among the most challenging issues regarding composite restorations. A new classification of dental composites is proposed to offer more clinically relevant ways of differentiating between commercially available materials. A review of specific types of composites provides an insight into their key issues. The potential biological issues of dental composites are reviewed in chapters on elution of leachable substances and cariogenicity of resin monomers. Clinical sections focus on material placement, finishing procedures, and the esthetics and clinical longevity of composite restorations. Bonding to tooth tissues is addressed in a separate chapter, as is the efficiency of various composite repair methods. The final chapter discusses future perspectives on dental composite materials.

Mechanical Properties of Human Enamel and Dentine and of Composite Restorative Materials

Author : Cameron McDonald Hannah
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (897 download)

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Book Synopsis Mechanical Properties of Human Enamel and Dentine and of Composite Restorative Materials by : Cameron McDonald Hannah

Download or read book Mechanical Properties of Human Enamel and Dentine and of Composite Restorative Materials written by Cameron McDonald Hannah and published by . This book was released on 1974 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Clinical Restorative Materials and Techniques

Author : Karl F. Leinfelder
Publisher :
ISBN 13 :
Total Pages : 376 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Clinical Restorative Materials and Techniques by : Karl F. Leinfelder

Download or read book Clinical Restorative Materials and Techniques written by Karl F. Leinfelder and published by . This book was released on 1988 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt: On modern dental materials and their applications.

Expert Level of Dental Resins - Material Science & Technology

Author : Ralf Janda
Publisher : tredition
ISBN 13 : 3347712927
Total Pages : 752 pages
Book Rating : 4.3/5 (477 download)

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Book Synopsis Expert Level of Dental Resins - Material Science & Technology by : Ralf Janda

Download or read book Expert Level of Dental Resins - Material Science & Technology written by Ralf Janda and published by tredition. This book was released on 2022-09-12 with total page 752 pages. Available in PDF, EPUB and Kindle. Book excerpt: Resin materials are broadly used in dentistry for almost all indications, and they will gain even more importance in the future. Especially the increasing performance and efficiency of the CAD/CAM technology and 3D-printing open possibilities to use resins which were not used up to now in dentistry. Besides dentists, dental students or dental technicians, there are many other specialists such as researchers, material scientists, industrial developers or experts of adjoining professional disciplines who are technically engaged in dental resins. The "Expert Level" is the third book of the series "Dental Resins - Material Science & Technology". The "Expert Level" includes all information and data presented in the "Basic Level" and "Advanced Level" of this series, but enormously expands the knowledge base. From a total database of 8.198 references, 1.707 were selected and used for this textbook. It comprises more than 1,000 manuscript pages, 384 figures and 124 tables. The "Expert Level" describes very accurately and comprehensively all details of the material science and technology of dental polymers and composites. Furthermore, their production methods and applications are discussed in detail. Therefore, this book is a unique treatise of the complete present knowledge about dental resins and dental resin composites. This includes the discussion of the - raw/starting materials together with the explanation and presentation of their chemical structures and properties, their CAS Numbers and the names of the manufacturers. - amounts of the raw/starting materials usually used to formulate the finished products. - important material and toxicological properties of the starting materials and the finished products. - detailed description of the production processes of essential starting materials such as the syntheses of essential monomers, the silanization of inorganic fillers or the manufacturing of unfilled and filled splinter polymers. - detailed description of the formulation and the properties of the finished products. Furthermore, for many commercial endproducts rather detailed formulations as well as the exact production processes are described. All ISO standards that are relevant for dental resins are listed, too. Furthermore, many essential methods to test the mechanical, chemical and toxicological properties are also presented and explained. The "Expert Level" enables every scientist with a good chemical knowledge not only to understand how dental polymers function, but also to develop new and improved products.