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Author: Noam Eliaz Publisher: Springer Science & Business Media ISBN: 1461439426 Category : Technology & Engineering Languages : en Pages : 521
Book Description
This book reviews the current understanding of the mechanical, chemical and biological processes that are responsible for the degradation of a variety of implant materials. All 18 chapters will be written by internationally renowned experts to address both fundamental and practical aspects of research into the field. Different failure mechanisms such as corrosion, fatigue, and wear will be reviewed, together with experimental techniques for monitoring them, either in vitro or in vivo. Procedures for implant retrieval and analysis will be presented. A variety of biomaterials (stainless steels, titanium and its alloys, nitinol, magnesium alloys, polyethylene, biodegradable polymers, silicone gel, hydrogels, calcium phosphates) and medical devices (orthopedic and dental implants, stents, heart valves, breast implants) will be analyzed in detail. The book will serve as a broad reference source for graduate students and researchers studying biomedicine, corrosion, surface science, and electrochemistry.
Author: Noam Eliaz Publisher: Springer Science & Business Media ISBN: 1461439426 Category : Technology & Engineering Languages : en Pages : 521
Book Description
This book reviews the current understanding of the mechanical, chemical and biological processes that are responsible for the degradation of a variety of implant materials. All 18 chapters will be written by internationally renowned experts to address both fundamental and practical aspects of research into the field. Different failure mechanisms such as corrosion, fatigue, and wear will be reviewed, together with experimental techniques for monitoring them, either in vitro or in vivo. Procedures for implant retrieval and analysis will be presented. A variety of biomaterials (stainless steels, titanium and its alloys, nitinol, magnesium alloys, polyethylene, biodegradable polymers, silicone gel, hydrogels, calcium phosphates) and medical devices (orthopedic and dental implants, stents, heart valves, breast implants) will be analyzed in detail. The book will serve as a broad reference source for graduate students and researchers studying biomedicine, corrosion, surface science, and electrochemistry.
Author: Nishihara Hironobu Publisher: ISBN: Category : Languages : en Pages :
Book Description
Background (500)Despite biocompatibility and excellent clinical outcome of titanium implants, a growing interest for an alternative implant material is noticeable. This is mostly due to patient-specific requests for metal-free treatment and concerns about adverse reactions titanium particle corrosion. Therefore, manufacturers are increasingly introducing zirconia implants with different features and designs. While most systems offer one-piece implant design, little is known about the applicability and features of two-piece implants.Aim of the study (300)This review aimed to summarize the preclinical knowledge about two-piece zirconia implant systems. Focus was given on design features, mechanical resistance of the implants and of the implant-restoration complex as well as peri-implant tissue response.Material and Methods (1000)An electronic search of the literature until March 2017 was performed to identify all articles related to preclinical research on two-piece zirconia implant systems. The search was conducted using MEDLINE (National Library of Medicine), Pubmed without restrictions concerning the date of publication. The search terminology included: zirconia implant, two-piece, mechanical properties, fracture resistance, strength, osseointegration, bone-to-implant contact, soft tissue, histology, histomorphometry (connecting different keywords with AND, OR). Hand-searching of the bibliographies of all full-text articles and related reviews, selected from the electronic search, was also performed. The literature search was limited to only English language articles. References appraised in related systematic reviews were also considered.Results (1000)Of the initially-identified 1026 titles, 58 papers were selected for full-text evaluation. After exclusion 53 articles, a total of 6 article were finally selected and analysed. The mechanical resistance was evaluated in 4 studies, where a clinical situation of implants placed in the anterior region was simulated. Interestingly, most studies used titanium abutment screws for evaluation. Irrespective of connection type (screw- or cement-retained), implant fractures were mostly reported in the implant-abutment connection, with the weakest component to be abutment screw, abutment and implant, respectively. In general, two-piece zirconia implant systems showed higher failure rates and lower resistance than one-piece zirconia implants as well as titanium implants.Peri-implant tissues were evaluated in 2 studies. Regardless of implant type (one- or two-piece), a significant marginal bone loss was recorded 6months after placement (0.19-1.11mm). The height of buccal peri-implant mucosa and bone-to-implant contact ranged, respectively, between 2.64-3.03mm and 78.6-87.9% with no statistically significant differences at follow-up evaluations.Conclusion and Clinical implications (500)Irrespective of connection type and the design, two-piece zirconia implants show sufficient strength to withstand normal forces applied in the anterior region. Hard and soft tissue response around two-piece zirconia implants seem to be similar to one-piece implants as well as titanium implants. Although they have the potential for clinical application, the limited knowledge about two-piece zirconia implants does not support their clinical application yet.
Author: Robert B. Heimann Publisher: John Wiley & Sons ISBN: 3527684026 Category : Technology & Engineering Languages : en Pages : 496
Book Description
Reflecting the progress in recent years, this book provides in-depth information on the preparation, chemistry, and engineering of bioceramic coatings for medical implants. It is authored by two renowned experts with over 30 years of experience in industry and academia, who know the potentials and pitfalls of the techniques concerned. Following an introduction to the principles of biocompatibility, they present the structures and properties of various bioceramics from alumina to zirconia. The main part of the work focuses on coating technologies, such as chemical vapor deposition, sol-gel deposition and thermal spraying. There then follows a discussion of the major interactions of bioceramics with bone or tissue cells, complemented by an overview of the in-vitro testing methods of the biomineralization properties of bioceramics. The text is rounded off by chapters on the functionalization of bioceramic coatings and a look at future trends. As a result, the authors bring together all aspects of the latest techniques for designing, depositing, testing, and implementing improved and novel bioceramic coating compositions, providing a full yet concise overview for beginners and professionals.
Author: James Shen Publisher: Butterworth-Heinemann ISBN: 0123948363 Category : Technology & Engineering Languages : en Pages : 417
Book Description
The growth of implant and fixed prosthodontics practices in dentistry has created a rapidly increasing demand for advanced ceramics and ceramic processes. Innovations in ceramics and ceramic processes are vital to ensure reliable and affordable dental-restoration solutions with aesthetically pleasing outcomes. The work aims to engage the bioceramics and engineering communities to meet the challenges of modern dental restoration using advanced ceramics. Incorporating fundamental science, advanced engineering concepts, and clinical outcomes, the work is suitable for bioceramicists, ceramics manufacturers, dental clinicians and biologists. - State-of-the-art-coverage encompasses bioresorbable ceramics for bone regeneration and bioactivating surfaces of inert, high-strength ceramics for implantation, keeping research knowledge appropriately updated - Discusses transition from the baseline stable and physically stiff ceramics research into engineering of highly coherent laminate composites for prosthetic crowns and bridges - Showcases current feasible techniques for producing, in cost-effective and materials-saving ways, long-lasting individualized ceramic components with biocompatibility, complexity and high precision
Author: Ralf-Joachim Kohal Publisher: ISBN: Category : Languages : en Pages :
Book Description
Abstract: Purpose of Review The goal of the present review is to update the reader on the scientific background of zirconia ceramic implants. Clinical investigations using zirconia ceramic implants over the last couple of years have brought up some new developments and questions. Can we be confident in placing zirconia ceramic implants given the recently published data? Is there a difference in the application of one- and two-piece implants? Recent Findings Systematic reviews on preclinical investigations of zirconia implants revealed that one-piece zirconia implants (> 4 mm) are sufficiently stable for clinical use. The same is true for some clinically available two-piece implant systems. Osseointegration and soft tissue integration are, according to the reviews, similar between titanium and zirconia implants with similar surface topographies. Regarding the clinical outcome, a meta-review exists evaluating systematic reviews. The findings of the systematic reviews and the meta-review are that there are good short-term clinical results for one-piece zirconia implants. However, the data for two-piece implants is not robust. Summary In certain applications (single tooth restorations and small bridges), the results of zirconia implants are comparable with titanium implants in short-term studies. Some mid-term investigations support the short-term results. However, according to the current scientific data available, zirconia implants cannot yet be considered an alternative to titanium implants because there are many areas where there is a lack of clinical studies on zirconia implants. Currently, they are an addendum to the titanium implant armamentarium for situations where they are useful (patient request, known hypersensitivity to titanium, or questions of esthetics when titanium might appear inappropriate for a certain situation/condition), but long-term studies are needed. Without a doubt, there is a need for two-piece zirconia implants, but limited research exists to support their clinical use at the moment
Author: Todd R. Schoenbaum Publisher: Springer ISBN: 3319726013 Category : Medical Languages : en Pages : 335
Book Description
This book concisely elucidates the science underlying implant treatment in the aesthetic zone in partially edentulous patients and clearly describes the techniques and protocols used by world-leading experts in the field. The book is divided into four parts that address treatment planning; site preparation (hard and soft tissue augmentation); immediate implant placement and provisional restoration; and the design, fabrication, and delivery of the definitive implant prosthesis. Complex cases of this nature present a significant challenge to even the most well informed and experienced of doctors. Implants in the Aesthetic Zone has been specifically crafted to meet all the needs of the clinician involved in their management, providing a reliable road map for interdisciplinary implant treatment in clinical practice. The authors have been carefully selected from a wide range of fields for their expertise in particular areas of implant science or treatment.
Author: Ralf-Joachim Kohal Publisher: ISBN: Category : Languages : en Pages :
Book Description
Abstract: Mid-term data on zirconia oral implants is very rare. Therefore, the aim of this prospective clinical investigation was to evaluate the survival rate and the marginal bone loss of a one-piece zirconia implant after five years. Patient-reported outcomes were also recorded. Zirconia implants to support single crowns (SC) or a 3-unit fixed dental prosthesis (FDP) were placed and subsequently restored. After the insertion of the implants, at prosthetic delivery, and after five years, standardized radiographs were taken to evaluate marginal bone loss (MBL). For bone tissue evaluation, linear mixed models with random intercepts were fitted. Twenty-seven patients received one implant for an SC and 13 patients received two implants for a 3-unit FDP. Three patients each lost one implant for an SC before prosthetic delivery. Thirty-five patients were seen after five years, and no further implant was lost. The cumulative five-year implant survival rate was 94.3%. The MBL from implant installation up to five years was 0.81 mm. The MBL from implant installation to prosthetic delivery was statistically significant (p
Author: August De Oliveira Publisher: Implants Made Easy ISBN: 0557304326 Category : Science Languages : en Pages : 198
Book Description
Implant dentistry has come a long way in terms of simplicity and safety. "Implants Made Easy" covers the entire implant process from treatment planning to cementation. This book was written with one goal in mind: to help General Dentists get involved in implant dentistry. By using the latest advances in 3D imaging and by using free implant software, many of the factors that have kept dentists on the sidelines have been eliminated. Many of the chapters show step-by-step surgical and restorative techniques that greatly simplify the implant process. A chapter on dental photography will show you ways to showcase your work, as well as how to upload to dental websites. Placing implants has never been easier!
Author: Bożena Arnold Publisher: Springer Nature ISBN: 3662642697 Category : Chemistry Languages : en Pages : 102
Book Description
In this book, you will find a lot of exciting and often astonishing information about these extraordinary and diverse materials. The presentation is essentially chronological and follows the history of the discovery of these materials. Their properties and areas of application are described along the way. The book represents a mixture of technical and non-fiction book: understandable for experts and laymen. Three different materials that are often confused because of their similar sounding names. Zircon is an ancient mineral and has great geological significance. It is a genuine gemstone and similar to diamond. Zirconium is the 40th chemical element and as a metal it is characterized by extraordinary properties. For example, it is permeable to thermal neutrons. In addition, there is a group of special zirconium alloys, e.g. zirkalloy. Zirconia is a special modification of zirconium oxide, is only produced artificially and, like zircon, is similar to diamond. Zirconium oxide itself is one of today's most important high-performance ceramics, with a wide range of applications in dentistry or in a lambda probe, among others. This book is a translation of the original German 1st edition Zirkon, Zirkonium, Zirkonia - ähnliche Namen, verschiedene Materialien by Bȯzena Arnold, published by Springer-Verlag GmbH Germany, part of Springer Nature in 2019. The translation was done with the help of artificial intelligence (machine translation by the service DeepL.com). A subsequent human revision was done primarily in terms of content, so that the book will read stylistically differently from a conventional translation. Springer Nature works continuously to further the development of tools for the production of books and on the related technologies to support the authors. The Author Dr. Bȯzena Arnold (formerly Boczek) is professor emerita of materials engineering at the HAW Hamburg University of Applied Sciences and has many years of experience in imparting materials engineering knowledge.
Author: Andrea Enrico Borgonovo Publisher: ISBN: Category : Languages : en Pages :
Book Description
The use of zirconium oxide implants associated with all-ceramic prosthetic rehabilitations can allow excellent esthetic results to be achieved, ensuring stable osseointegration.The devices used for the rehabilitation of single edentulism are single-component implants (White-SKY, Bredent, Senden Germany) made of sintered and stabilized zirconium oxide with yttrium.The aim was to evaluate survival rate and radiographic marginal bone loss (MBL) of zirconia implants placed in the esthetic and posterior areas of the jaws and of the maxillary bone in association with multiple or single implant restorations with a follow-up period of 10 years.At the Department of Implantology, Dental Clinic, IRCCS Fondazione Cu00e0 Granda Ospedale Maggiore Policlinico, University of Milan, 10 patients were treated from 2007 to 2009. 25 one-piece zirconium implants were utilized for single or partially edentulous ridges rehabilitation.The follow-up protocol included the radiographic control examination. The radiographs were taken using the customized silicon bite record. Measurements were made using the Image-J analysis software in order to calculate MBL. Bone level changes were calculated at the distal and mesial surfaces of all implants by applying the distortion coefficient.At the end, survival rate was formulated.During the follow-up, no implant failure was reported, with no pain or paresthesia, and, at the radiographic evaluation, peri-implant radiolucency was not detected. Thus, the cumulative survival rate was 100%.The total average resorption at 10 years is 0.81 mm.A statistically significant difference emerges between the resorption of single implants and those with multiple anchors, with a lower resorption of the multiple anchorage implants (p
Author: Noam Eliaz
Author: Noam Eliaz
Author: Nishihara Hironobu
Author: Robert B. Heimann
Author: James Shen
Author: Ralf-Joachim Kohal
Author: Todd R. Schoenbaum
Author: Ralf-Joachim Kohal
Author: August De Oliveira
Author: Bożena Arnold
Author: Andrea Enrico Borgonovo