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Author : Mohamed Mahmoud Kandil
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (976 download)
Download or read book Adhesion and Microleakage of CAD/CAM Crowns Using Self-adhesive Resin Cements written by Mohamed Mahmoud Kandil and published by . This book was released on 2015 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Mohamed Mahmoud Kandil
Publisher :
ISBN 13 :
Total Pages : 265 pages
Book Rating : 4.:/5 (976 download)
Download or read book Adhesion and Microleakage of CAD/CAM Crowns Using Self-adhesive Resin Cements written by Mohamed Mahmoud Kandil and published by . This book was released on 2015 with total page 265 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Tian Tian
Publisher :
ISBN 13 : 9781361034835
Total Pages : pages
Book Rating : 4.0/5 (348 download)
Download or read book Aspects of Adhesion Between CAD/CAM Ceramics and Resin Cements written by Tian Tian and published by . This book was released on 2017-01-26 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation, "Aspects of adhesion between CAD/CAM ceramics and resin cements" by Tian, Tian, 田恬, 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. Abstract: Glass ceramics are one of the preferred choices in the case for preservation of tooth structure. They also exhibit excellent aesthetic outcomes, and life-like translucency. Moreover, glass ceramics can provide better adhesion to the underlying tooth preparation, compared with metal-bonded ceramics and oxide ceramics. This is achieved by application of HF etching and silanization, followed by bonding with resin cement. The resin cement is applied as the means to provide a seal, adhesion and 'filler' in the small space that exists between a restoration and prepared tooth. These unique properties have given rise to expanded restoration designs for glass ceramics in comparison to other ceramics, e.g., veneers, inlays or onlays. Hence, durable and stable adhesion is strongly required for the long-term success of these restorations. The aim of this project was to evaluate the durability of adhesion between CAD/CAM ceramics and resin cements as well as the effect of different factors on long-term ceramic adhesion. In the first experiment, two bonding models were compared and contrasted using a microtensile bond strength test. Two surface treatments and two resin cements were also examined. Ceramic to ceramic, as a bonding model, was found to be better than a ceramic to resin composite model. Surface treatments and resin cements had a significant effect on the microtensile bond strength. The second experiment aimed to evaluate the stability of long-term adhesion using six resin luting cements when bonded to three different CAD/CAM ceramics in water over 12 months. According to the outcomes of this study, VITA Suprinity(R) and VITA Enamic(R) demonstrated better long-term adhesion compared to IPS e.max(R) CAD. Furthermore, the microtensile bond strengths of ceramic and resin cement decreased up to 3 months but thereafter became relatively stable. Different resin cements showed different bonding behaviour during prolonged storage time. The third study examined the effect of two etching times on long-term ceramic adhesion and the effect of six resin luting cements on durability of adhesion. This study indicated that prolonged etching time could increase the microtensile bond strength of glass ceramics in the short-term, however, different etching times did not have an obvious influence on the long-term adhesion. In the fourth experiment, an evaluation of sorption, solubility and dimensional change of six resin luting cements immersed in various storage media was undertaken. Significant differences were observed in the sorption, solubility and dimensional change of the cements when exposed to the different storage media over time. The objective of the last experiment was to evaluate the effect of immersion time and media on fracture toughness of six resin cements. It was concluded that fracture toughness varied among the cements and the value decreased over time. Furthermore, the three storage media evaluated in this study seemed to not have had a significant effect on the fracture toughness. It was concluded that, in general, lower sorption, solubility and dimensional change in resin cements seems to produce a higher fracture toughness and microtensile bond strength to glass ceramics. Subjects: Dental resins CAD/CAM systems Dental ceramics
Author : Anthony Khoo
Publisher :
ISBN 13 :
Total Pages : 260 pages
Book Rating : 4.3/5 (91 download)
Download or read book A Clinical Evaluation of a Self-etch, Self-adhesive Resin Cement for Bonding Indirect All-ceramic Restorations written by Anthony Khoo and published by . This book was released on 2008 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Tobias Basler
Publisher :
ISBN 13 :
Total Pages : 26 pages
Book Rating : 4.:/5 (81 download)
Download or read book Effect of Surface Conditioning with Air-abrasion on the Tensile Strength of Polymeric CAD/CAM Crowns Luted with Self-adhesive and Conventional Resin Cements written by Tobias Basler and published by . This book was released on 2011 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Tian Tian
Publisher : Open Dissertation Press
ISBN 13 : 9781361034828
Total Pages : 258 pages
Book Rating : 4.0/5 (348 download)
Download or read book Aspects of Adhesion Between CAD/CAM Ceramics and Resin Cements written by Tian Tian and published by Open Dissertation Press. This book was released on 2017-01-26 with total page 258 pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation, "Aspects of adhesion between CAD/CAM ceramics and resin cements" by Tian, Tian, 田恬, 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. Abstract: Glass ceramics are one of the preferred choices in the case for preservation of tooth structure. They also exhibit excellent aesthetic outcomes, and life-like translucency. Moreover, glass ceramics can provide better adhesion to the underlying tooth preparation, compared with metal-bonded ceramics and oxide ceramics. This is achieved by application of HF etching and silanization, followed by bonding with resin cement. The resin cement is applied as the means to provide a seal, adhesion and 'filler' in the small space that exists between a restoration and prepared tooth. These unique properties have given rise to expanded restoration designs for glass ceramics in comparison to other ceramics, e.g., veneers, inlays or onlays. Hence, durable and stable adhesion is strongly required for the long-term success of these restorations. The aim of this project was to evaluate the durability of adhesion between CAD/CAM ceramics and resin cements as well as the effect of different factors on long-term ceramic adhesion. In the first experiment, two bonding models were compared and contrasted using a microtensile bond strength test. Two surface treatments and two resin cements were also examined. Ceramic to ceramic, as a bonding model, was found to be better than a ceramic to resin composite model. Surface treatments and resin cements had a significant effect on the microtensile bond strength. The second experiment aimed to evaluate the stability of long-term adhesion using six resin luting cements when bonded to three different CAD/CAM ceramics in water over 12 months. According to the outcomes of this study, VITA Suprinity(R) and VITA Enamic(R) demonstrated better long-term adhesion compared to IPS e.max(R) CAD. Furthermore, the microtensile bond strengths of ceramic and resin cement decreased up to 3 months but thereafter became relatively stable. Different resin cements showed different bonding behaviour during prolonged storage time. The third study examined the effect of two etching times on long-term ceramic adhesion and the effect of six resin luting cements on durability of adhesion. This study indicated that prolonged etching time could increase the microtensile bond strength of glass ceramics in the short-term, however, different etching times did not have an obvious influence on the long-term adhesion. In the fourth experiment, an evaluation of sorption, solubility and dimensional change of six resin luting cements immersed in various storage media was undertaken. Significant differences were observed in the sorption, solubility and dimensional change of the cements when exposed to the different storage media over time. The objective of the last experiment was to evaluate the effect of immersion time and media on fracture toughness of six resin cements. It was concluded that fracture toughness varied among the cements and the value decreased over time. Furthermore, the three storage media evaluated in this study seemed to not have had a significant effect on the fracture toughness. It was concluded that, in general, lower sorption, solubility and dimensional change in resin cements seems to produce a higher fracture toughness and microtensile bond strength to glass ceramics. Subjects: Dental resins CAD/CAM systems Dental ceramics
Author : Bin Yang
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (246 download)
Download or read book Adhesion of Adhesive Resin Cements to Dental Zirconia Ceramic and Human Dentin written by Bin Yang and published by . This book was released on 2008 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ralf Janda
Publisher : tredition
ISBN 13 : 3347712927
Total Pages : 752 pages
Book Rating : 4.3/5 (477 download)
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.
Author : Nan Xiang (M.S..)
Publisher :
ISBN 13 :
Total Pages : 46 pages
Book Rating : 4.:/5 (1 download)
Download or read book Retention of CAD/CAM Crowns Luted with a Novel Biomimetic Cement written by Nan Xiang (M.S..) and published by . This book was released on 2016 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt: Objectives: To measure the tensile strength of e.max copings cemented with resin, calcium silicate and calcium phosphate cements following thermocycling. Methods: 40 extracted non-carious mandibular premolar teeth were examined and selected using Keyence microscope for no carious cracks etc.were mounted in acrylic. The teeth were placed in a lathe and prepared to uniform dimensions (22° total taper) using a flat-end tapered diamond bur (846.11.025HP, Brasseler) and a 3mm preparation height. The surface area of the prepared surface was calculated with digital microscopy. The teeth were scanned with a Cerec 3 (Sirona) digital scanner. E.max crowns were milled using Cerec 3 mill (Sirona) and sintered in a Programmat CS2 oven (Ivoclar Vivadent). The crowns (n=10) were then cemented with Activa Bioactive (PulpDent; bioactive cement), Ceramir Crown & Bridge (Doxa; bioactive cement), Multi-Link Automix (Ivoclar Vivadent; self-etch resin cement), or RelyX Unicem 2 (3M ESPE; self-adhesive resin cement) cement. Monobond Plus (Ivoclar Vivadent) was applied to the e.max copings in the Activa Bioactive, Multi-link Automix and RelyX Unicem 2 groups. Crowns were allowed to self-cure under a 2.5kg weight. The crowns were stored in a moist bag for 24hours at 37°C, thermocycled for 10,000cycles from 5-500°C with a 30second dwell time. The specimens were placed in a custom fixture in a universal testing machine and loaded in tension at a crosshead speed of 0.5mm/min until debonding. The retention (MPa) at debonding was determined from the maximum recorded tensile force and surface area of the preparation. Data were compared with a 1-way ANOVA and Tukey analysis (alpha=0.05). Results: The mean values of crown retention ranged from 0.45 (Ceramir) to 1.91 MPa (Unicem). The Unicem 2 cemented copings demostrated the highest bond strength, however the bond strength was not significantly different from the other groups except for Ceramir. Conclusions: One of the bioactive cements produced statistically similar crown retention strength as both the reference resin cements.
Author : Shruti Sushilkumar Sonavane
Publisher :
ISBN 13 :
Total Pages : 52 pages
Book Rating : 4.:/5 (911 download)
Download or read book Retention of CAD/CAM Crowns Luted with Resin Cements and RMGI written by Shruti Sushilkumar Sonavane and published by . This book was released on 2015 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt: Objectives: To measure retention of lithium disilicate (IPS e.max CAD, Ivoclar Vivadent) and zirconia reinforced lithium disilicate (CELTRA [TM] DUO, Dentsply) copings luted using resin cements and resin-modified glass ionomer cement. Methods: 110 Extracted human, non-carious mandibular 2nd premolars (n=10) were embedded in PVC cylinders with acrylic resin and placed into a lathe to produce a uniform crown preparation (22°-convergence & 3mm-height). Following the orientation groove placement (69L bur), preparations were scanned and milled using a CEREC 3D/Sirona machine to produce e.max and CELTRA [TM] DUO crowns. Preparations were imaged with a digital microscope (Keyence/VHX-600-20X) and the surface area of each crown was calculated. IPS e.max crowns and CELTRA [TM] DUO crowns were cemented using the cements as in Tables 1 & 2. Specimens were stored (distilled water/37°C/24h) and thermocycled (10,000cycles/5-50°C/30secs) before debonding in tension at crosshead speed-5mm/min (INSTRON Model/5565). The bond strength was calculated by dividing the failure load with preparation surface area. The CELTRA [TM] DUO and e.max data were compared separately with 1-way ANOVA and Tukey post-hoc analysis (alpha= 0.05). Results: The simulated crown strength test results for e.max were: Calibra=4.89±2.35a; ExpE(TE)=3.70±2.08a,b; ExpSE=3.18±2.03a,b RelyXLP=3.11±1.99a,b; ExpE(Self- Etch)=2.74±1.23a,b; Multilink=2.66±1.72a,b; RelyXU=2.65±1.46a,b; RelyXLP/HF=1.91±0.70b. For CELTRA [TM]: Exp/S=4.73±2.45a; Exp/S/E=4.40±1.76a,b; RelyXLP/ HF=3.34±1.65a,b, c; Exp=1.79±0.70b,c; and RelyXLP=0.95±0.58c. The ANOVA showed some significant differences between groups (p=0.01) where the same letter denotes similar groups. Conclusions: The Calibra material resulted in significantly higher retention with the than RelyXLP/HF for the coping fabricated from e.max. The experimental resin cement with silane when compared to Exp and RelyXLP resulted in significantly higher test retention strength for the CELTRA [TM] DUO.
Author : Jean-François Roulet
Publisher : Quintessence Publishing (IL)
ISBN 13 :
Total Pages : 380 pages
Book Rating : 4.3/5 (91 download)
Download or read book Adhesion written by Jean-François Roulet and published by Quintessence Publishing (IL). This book was released on 2000 with total page 380 pages. Available in PDF, EPUB and Kindle. Book excerpt: Adhesives: Principles and State of the Art. -- Adhesives: Dos and Don'ts. -- Restorative Materials for the Direct Technique. -- The Key for the Indirect. -Technique. - New Concepts of Minimally Invasive Preparations: An SI/STA Concept. --Preparation and Restoration of Small Interproximal Carious Lesions. -- Adhesion in Preventive Dentistry. -- Adhesion in Pediatric Dentistry. --Strength of Fragment-Bonded Teeth. -- Bonding: The Ultimate Restoration for Tooth Fracture? -- Biological Bonding: Periodontal and Peri-Implant Attachment. -- Exploring the Layering Concepts for Anterior Teeth. -- Composite Resin. --Restorations on Posterior Teeth. -- Prosthodontics of the Future: Cementing or Bonding? -- Clinical Application of Ceramic Bonded Restorations. -- Restoration of the Endodontically Treated Tooth: Adhesion vs. Mechanical Retentio.
Author : Paulette Spencer
Publisher : Woodhead Publishing
ISBN 13 : 0081003412
Total Pages : 384 pages
Book Rating : 4.0/5 (81 download)
Download or read book Material-Tissue Interfacial Phenomena written by Paulette Spencer and published by Woodhead Publishing. This book was released on 2016-09-30 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt: Material-Tissue Interfacial Phenomena: Contributions from Dental and Craniofacial Reconstructions explores the material/tissue interfacial phenomena using dental and craniofacial reconstructions as a model system. As the mouth is a particularly caustic environment, the synthetic and/or bio-enabled materials used to repair damaged tissues and restore form, function, and esthetics to oral structures must resist a variety of physical, chemical, and mechanical challenges. These challenges are magnified at the interface between dissimilar structures such as the tooth/material interface. Interfacial reactions at the atomic, molecular, and nano-scales initiate the failure of materials used to repair, restore, and reconstruct dental and craniofacial tissues. Understanding the phenomena that lead to failure at the interface between dissimilar structures, such as synthetic materials and biologic tissues, is confounded by a variety of factors that are thoroughly discussed in this comprehensive book. Provides a specific focus on the oral environment Combines clinical views and basic science into a useful reference book Presents comprehensive coverage of material-interfacial phenomena within the oral environment
Download or read book Adhesion Procedure for CAD/CAM Resin Crown Bonding: Reduction of Bond Strengths Due to Artificial Saliva Contamination written by and published by . This book was released on 2018 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Mohammed Al-Saleh
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (13 download)
Download or read book A Novel Technique for Class II Composite Restorations with Self-adhesive Resin Cements written by Mohammed Al-Saleh and published by . This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Adhesion of Resin Cement to Contemporary Hybrid Ceramic and Polymeric CAD/CAM Materials: Effect of Contioning Methods and Ageing written by and published by . This book was released on 2019 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Nisha Garg
Publisher : Boydell & Brewer Ltd
ISBN 13 : 9788184487756
Total Pages : 528 pages
Book Rating : 4.4/5 (877 download)
Download or read book Textbook of Operative Dentistry written by Nisha Garg and published by Boydell & Brewer Ltd. This book was released on 2010-08 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt: This new edition is a complete guide to operative dentistry. Beginning with an introduction, physiology, dental caries and tooth preparation, the text also discusses pain and infection control. The following sections examine different operative procedures. New techniques such as minimal intervention dentistry, nanotechnology and lasers; and advances in dental materials are discussed in detail. More than 1200 colour images, illustrations, flow charts and tables are included. Key points Complete guide to operative dentistry Discusses numerous different procedures, and pain and infection control New techniques and advances in materials described in detail More than 1200 colour images, illustrations, flow charts and tables Previous edition published in 2010
Author : Giacomo Derchi
Publisher : Edra
ISBN 13 : 8821453731
Total Pages : 299 pages
Book Rating : 4.8/5 (214 download)
Download or read book Adhesive cementation on natural teeth written by Giacomo Derchi and published by Edra. This book was released on 2021-07-12T00:00:00+02:00 with total page 299 pages. Available in PDF, EPUB and Kindle. Book excerpt: What is the material of the artifact? What are the characteristics of the substrates? Is it possible to adequately isolate the tooth? It is fundamental to answer these questions when performing the assessment before beginning the final and decisive phase of prosthetic restoration: cementation. Cementation is a complex procedure that requires good skills, and its outcome depends on the knowledge of the substrates involved and the choice of the most suitable cement for the specific situation. The materials and techniques used for cementation are described in this text, which is specifically dedicated to prosthetists and to those who practice conservative dentistry. This manual examines each substrate and defines the cementation protocols for all cases in daily practice.
