Histomorphometric Analysis of Bone Ingrowth Into Porous-Coated Dental Implants PDF Download
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Author: JC. Keller Publisher: ISBN: Category : Alloys Languages : en Pages : 14
Book Description
Histomorphometric analyses were used to determine quantitatively the patterns of bony ingrowth that resulted from the placement of porous-surfaced dental implants. Twenty-one implants were placed in the mandibles of rhesus monkeys for up to 74 months by utilizing a two-stage approach. Quantitative histopathological evaluations were made using ground section microscopy. Bone remodeling and ingrowth from adjacent cortical bone and medullary trabeculae resulted in stable implant roots. Quantitative histomorphometric analyses revealed that approximately 60% of the available internal pores of the implants were occupied by bone. No fibrous connective tissue ingrowth or encapsulation was observed in the implant crypts.
Author: JC. Keller Publisher: ISBN: Category : Alloys Languages : en Pages : 14
Book Description
Histomorphometric analyses were used to determine quantitatively the patterns of bony ingrowth that resulted from the placement of porous-surfaced dental implants. Twenty-one implants were placed in the mandibles of rhesus monkeys for up to 74 months by utilizing a two-stage approach. Quantitative histopathological evaluations were made using ground section microscopy. Bone remodeling and ingrowth from adjacent cortical bone and medullary trabeculae resulted in stable implant roots. Quantitative histomorphometric analyses revealed that approximately 60% of the available internal pores of the implants were occupied by bone. No fibrous connective tissue ingrowth or encapsulation was observed in the implant crypts.
Author: Lobat Tayebi Publisher: Woodhead Publishing ISBN: 0081009674 Category : Technology & Engineering Languages : en Pages : 564
Book Description
Biomaterials for Oral and Dental Tissue Engineering examines the combined impact of materials, advanced techniques and applications of engineered oral tissues. With a strong focus on hard and soft intraoral tissues, the book looks at how biomaterials can be manipulated and engineered to create functional oral tissue for use in restorative dentistry, periodontics, endodontics and prosthodontics. Covering the current knowledge of material production, evaluation, challenges, applications and future trends, this book is a valuable resource for materials scientists and researchers in academia and industry. The first set of chapters reviews a wide range of biomaterial classes for oral tissue engineering. Further topics include material characterization, modification, biocompatibility and biotoxicity. Part Two reviews strategies for biomaterial scaffold design, while chapters in parts three and four review soft and hard tissues. Connects materials science with restorative dentistry Focuses on the unique field of intraoral tissues Highlights long-term biocompatibility and toxicity of biomaterials for engineered oral tissues
Author: Hélène Vaillancourt Publisher: National Library of Canada = Bibliothèque nationale du Canada ISBN: 9780315928350 Category : Languages : en Pages : 372
Author: Asja Muhiu0107 Publisher: ISBN: Category : Languages : en Pages :
Book Description
In-vivo animal model histological analysis of TiMg composite material for dental implantsu0106atiu0107 Amir, Muhiu0107 Asja, Beu0161iroviu0107 Hajrudin, Balog Martin, Krizik Peter, Schauperl ZdravkoBackground: One of the main issues concerning dental implant materials arises from their Youngu2019s modulus being considerably higher than that of bone, which can generate stress-shielding effect and periimplant bone atrophy during loading. By use of advanced powder metallurgy novel titanium-magnesium (Ti12Mg) composite has been designed and consolidated. Results of ISO-standard based tests for dental implants demonstrated superior mechanical properties, in-vitro tests showed adequate biocorrosion.Aim: The aim of the study was to produce common dimension implants and assess the in-vivo osseointegration potentials of Ti12Mg composite metal on animal model. Materials and methods: Study design was presented to ethical committees of both UNIZG School of Dental Medicine and UNISA Faculty of Veterinary Medicine, and the approvals acquired. Consolidated Ti12Mg implant material was roll-pressed into a 3,5mm diameter bar and machined into 12 implants of 11mm length. Implant neck geometry was modeled to allow for screw-motion placement. Four sheep of various ages were chosen from natural pasture farm with HACCP certificate and kept 30 days in controlled conditions with identical pasture prior to surgery. At the day of surgery three implants were epicrestally placed using regular implant surgical protocol in right tibia of each sheep 2cm apart. After 4, 8 and 12 weeks from each sheep one implant and the surrounding bone were removed by a 7mm diameter trephine bur, the samples prepared and histologically analyzed. All surgeries were performed in general anesthesia. After completion of the investigation sheep were healthy and in normal function. Results: Histological analyzes demonstrated formation of bone at the bone to implant contact. Time-related bone maturation was typical for dental implants. However, BIC at 12 weeks was more mature at Ti12Mg implants in comparison to the commercially available implant. Histomorphometric analysis showed average BIC values within the bone marrow at 4 weeks 52%, at 8 weeks 81% and at 12 weeks 96%. BIC values within the cortical bone were 59% at 4 weeks, 89% at 8 weeks and 98% at 12 weeks. No signs of gaseous enclosures were determined in the surrounding bone. Conclusions and clinical implications: Proposed Ti12Mg composite, with Mg phase acting as beneficiary modulator for generating an osseoconductive surface via spontaneous dilution in body environment as well as bone formation stimulant, suggests this material answers crucial demands for dental implants. Information concerning similar studies is scarce, and implant material where porous bioactive bimetallic composite is obtained with similar properties, has not so far been proposed.
Author: Cuie Wen Publisher: Woodhead Publishing ISBN: 008101290X Category : Medical Languages : en Pages : 262
Book Description
Metallic Foam Bone: Processing, Modification and Characterization and Properties examines the use of porous metals as novel bone replacement materials. With a strong focus on materials science and clinical applications, the book also examines the modification of metals to ensure their biocompatibility and efficacy in vivo. Initial chapters discuss processing and production methods of metals for tissue engineering and biomedical applications that are followed by topics on practical applications in orthopedics and dentistry. Finally, the book addresses the surface science of metallic foam and how it can be tailored for medical applications. This book is a valuable resource for materials scientists, biomedical engineers, and clinicians with an interest in innovative biomaterials for orthopedic and bone restoration. Introduces biomaterials researchers to a promising, rapidly developing technology for replacing hard tissue Increases familiarity with a range of technologies, enabling materials scientists and engineers to improve the material properties of porous metals Explores the clinical applications of metal foams in orthopedics and dentistry
Author: Dr. Yashaswi Majumdar Publisher: Shineeks Publishers ISBN: 1632789779 Category : Education Languages : en Pages : 59
Book Description
Edentulous period for a patient can be shortened by modifying the implant surfaces in various ways to ameliorate biocompatibility and accelerate bone integration. A durable and favorable outcome of dental fixtures mainly depends upon the direct anatomical and functional relationship among the bone and surface of the implant. This book offers comprehensive and latest information covering the broad field of knowledge on surface modifications of dental implants. In this book, bone response to coated and blasted dental implants has been discussed in simplified manner.
Author: Donald L. Wise Publisher: Springer Science & Business Media ISBN: 1592591973 Category : Technology & Engineering Languages : en Pages : 350
Book Description
The medical device and drug industries standards in analytical methodology and are consistently among the strongest techno- quality control. logical performers. Materials are a key The users of Biomaterials Engineering ingredient in their dynamic growth. Devel- and Devices: Human Applications will r- opment of these materials is in a constant resent a broad base of backgrounds ranging state of activity, with the challenge of re- from the basic sciences (e. g. , polymer placing old materials that cannot withstand chemistry and biochemistry) to more the tests of time, and the new materials’ applied disciplines (e. g. , mechanical/ needs coming to the forefront in modern chemical engineering, orthopedics, and applications. This new reference text, pharmaceutics). To meet varied needs, each Biomaterials Engineering and Devices: chapter provides clear ancd fully detailed Human Applications, focuses on materials discussions. This in-depth, but practical, used in or on the human body—materials coverage should also assist recent indu- that define the world of “biomaterials. ” ees to the biomaterials circle. The editors Biomaterials Engineering and Devices: trust that this reference textbook conveys Human Applications focuses on mate- the intensity of this fast moving field in an rials development and characterization. enthusastic presentation. Chapters deal with issues in the selection of Donald L. Wise, PHD proper biomaterials from biocompatibility Debra J. Trantolo, PHD to biostability to structure/function relation- Kai-Uwe Lewandrowski, MD ships. Chapters also focus on the use of Joseph D. Gresser, PHD specific biomaterials based on their physio- Mario V.
Author: P. Christel Publisher: ISBN: Category : Alloys Languages : en Pages : 13
Book Description
This study has been conducted to evaluate the effect of electromagnetic fields of low frequency and low amplitude on bone growth into porous implants in order to consider a potential clinical application--that is, improvement of the anchorage in articular prostheses intended to be implanted without cement. The experiment has been conducted in vivo on sheep, using porous implants made of Ti-6Al-4V alloy implanted in the cortical bone. The electromagnetic stimulation was provided by external generators connected to Helmholtz coils placed on each side of the stimulated limb.
Author: JC. Keller
Author: JC. Keller
Author: Jack E. Lemons
Author: Lobat Tayebi![Finite Element Analysis of Bone Remodeling Around Porous-coated Dental Implants [microform] PDF](https://books.google.com/books/content/images/frontcover/-_Z8twAACAAJ?fife=w80-h100)
Author: Hélène Vaillancourt
Author: Asja Muhiu0107
Author: Cuie Wen
Author: Dr. Yashaswi Majumdar
Author: Donald L. Wise
Author: Thomas F. George
Author: P. Christel