Axial Displacements Of Cemented Prosthesis In Different Implant Abutment Connections

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Axial Displacements of Cemented Prosthesis in Different Implant-abutment Connections

Author : Yoon-Hyuk Huh
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (116 download)

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Book Synopsis Axial Displacements of Cemented Prosthesis in Different Implant-abutment Connections by : Yoon-Hyuk Huh

Download or read book Axial Displacements of Cemented Prosthesis in Different Implant-abutment Connections written by Yoon-Hyuk Huh and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Background: Axial displacement is a unique biomechanical feature of internal conical connection (ICC) implants. ICC abutments lacking structures for vertical stop might sink axially into the inner surface of the implant. Axial displacement is caused by factors u2014 machining tolerance and the settling and wedge effects. Machining tolerance and the settling effect are inevitable phenomena in both external and ICC implants. However, the wedge effect, which induces concentrated axial compressive force in the direction of abutment sinking, is observed only in ICC implants. Although axial displacement in screw-type prostheses has been reported previously, no information is available regarding axial displacement in cement-retained prostheses. Differences in implantu2013abutment connection type have been known to result in variations in axial displacement in various clinical situations. Three typical implantu2013abutment connectionsu2014the external-butt (EXT), internal-conical (INT), and internal-butt (INT-Butt) connectionsu2014have been known to provide satisfactory results in clinical practice.Aim/Hypothesis:The purpose of this study was to quantitatively evaluate axial displacement in three different implantu2013abutment connections in cement-retained monolithic zirconia and polymethylmethacrylate (PMMA) provisional prostheses with the computer aided designu2013computer aided manufacturing (CAD-CAM) custom abutments.Materials and Methods: Three types of implants with different connectionsu2014external and internal butt connection implants and an internal conical connection implantu2014were evaluated. In each implant group, implant replicas were embedded vertically and angulated at 15u00b0. Sixty titanium custom abutments were fabricated using a CAD-CAM system. The geometries and surface morphologies of custom and ready-madeabutments were comparatively evaluated by scanning electron microscopy. Micro-gaps in abutment connections were scanned byoptical microscopy during screw tightening, re-tightening, and cyclic loading. Zirconia and provisional acrylic prostheses were fabricated and evaluated for internal gap by an indirect silicone technique. Cemented prostheses on abutments were mounted on a universal testing machine and subjected to 250 N sine wave cyclic loads. Cumulative axial displacement was measured at loadingperiods of 3, 10, 100, and 1,000,000 and analyzed by repeated measures analysis of variance (ANOVA). Internal gap width and netchange in axial displacement were analyzed by multi-way ANOVA.Results: There were no significant differences in internal gap widths of prostheses according to implant or prosthesis type. However,measurement site and implant angulation were influencing factors on internal gap. Surface geometries and morphologies of custom abutments varied according to the implantu2013abutment connection. Machining tolerance control and precision fit were difficult to achieve with the custom CAD-CAM abutment. The internal and external conical connection implants exhibited the greatest and lowest axial displacements, respectively. Acrylic prostheses exhibited greater axial displacement than zirconia prostheses. The vertically positioned implant group exhibited greater axial displacement than the angulated implant group in the early cyclic loading periods. Axial displacement in the late cyclic loading period was relatively low.Conclusions and Clinical implications:Custom abutments for cement-retained prostheses exhibited greater axial displacement than screw-retained prostheses. Axial displacement mostly occurred in the early loading period and was self-limited. Axial displacement should be managed by provisional restoration, with consideration of implant connection type and angulation, abutment fabrication method, and occlusal force of the patient.

Dental Implant Materials 2019

Author : In-Sung Yeo
Publisher : MDPI
ISBN 13 : 3036504168
Total Pages : 196 pages
Book Rating : 4.0/5 (365 download)

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Book Synopsis Dental Implant Materials 2019 by : In-Sung Yeo

Download or read book Dental Implant Materials 2019 written by In-Sung Yeo and published by MDPI. This book was released on 2021-03-17 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dental implant materials are advancing in the fusion of various scientific fields. Surface modification technologies for implants have been applied to titanium at the micro-level for about four decades. Now, implant surfaces are being topographically and chemically modified at both the micro- and nano-level. The modification techniques are altering other metals and ceramics, making these materials more biocompatible. Materials for abutments in dental implant systems appear to depend on implant–abutment connection structures. Biomechanical factors, such as friction and preload, influence the development of the abutment materials. Additionally, the surfaces of the abutment materials are important in the soft-tissue attachment, which is being actively investigated. As dental implants have to be functional in human bodies for a long time, numerous materials are being clinically tested as implant-supported restorations. The Special Issue, “Dental Implant Materials 2019”, introduces the creative works of scientists on the current advancements in the field of materials for implant dentistry.

A 10-Year Retrospective Study on Cemented Versus Screw Retained Implant Abutment Connection

Author :
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (116 download)

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Book Synopsis A 10-Year Retrospective Study on Cemented Versus Screw Retained Implant Abutment Connection by :

Download or read book A 10-Year Retrospective Study on Cemented Versus Screw Retained Implant Abutment Connection written by and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A large number of studies described implant survive and their short and long-term success with 94.6% early success rates and 89.7% even after more than 10 years of function. The failure of implant supported rehabilitation was either mechanical or biological. Few studies have conducted follow-ups for more than 10 years with regard to specific fixture-abutment connection. The aim of this retrospective study is to evaluate the long-term reliability and the incidence of technical and biological complications on single crowns supported by: cement retained abutment (CRA) and screwed retained abutment (SRA). A total of 300 single implant supported crowns performed from 2004 to 2007 on 300 different patients aged between 40 and 75 years were analyzed. Patients were divided in 150 group A (SRA) and 150 group B (CRA) selecting by inclusion criteria.The research was so performed: periapical radiographs performed with bite block, where crestal bone resorption (RC) was measured. The values were classified in three categories: 2 mm, between 2 and 4 mm, and greater than 4 mm. Bleeding on probing (BOP) and probing depth (PD) were measured. A cut-off of 5mm was taken related to PD: 5 mm was considered a negative outcome. Prosthetic complications were recorded: abutment decementation, screw loosening and prosthetic fracture. The results were analyzed for statistical analysis. The data analysis showed a rate of 4% of implant failure during the 10 years follow up period. Therefore this data were not taken into consideration for complication analysis. Regarding biological aspect, results showed a positive BOP index at 84.2% of the sites under investigation. Specifically, SRA showed a BOP of 86,5% and CRA 81,4%. More over the probing depth (PD) >5mm on peri-implant soft tissues analysis demonstrated a rate of 20,9% for CRA and 13,8% for SRA. The crestal bone loss radiographic measurements demonstrated for the range of RC 2 mm, a value of 16% for SRA and 62% for CRA; RC 24 mm 70% for SRA and 31% for CRA and at the end RC 4mm revealed a 14% for SRA whilst 7 % for CRA. Regarding mechanical aspect of connection a total of 14,6% of complications occurred: 6,2% for SRA and 8,33% for CRA. Finally, about prosthetic aspects: 7,6% crown fracture for SRA and 2,78 %for CRA. The results from this 10-year retrospective study showed that the two methods have positive long-term follow-ups, although the complications encountered. RC was statistically greater in the SRA group. In this regard, the possibility of having a better coupling between parts in the CRA method encourages the clinical use of these in terms of lower bone resorption values and screw loosening.

Effect of Axial Wall Modification on the Retention of Cement-retained, Implant-supported Crowns

Author : Kian Meng Tan
Publisher :
ISBN 13 :
Total Pages : 118 pages
Book Rating : 4.:/5 (677 download)

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Book Synopsis Effect of Axial Wall Modification on the Retention of Cement-retained, Implant-supported Crowns by : Kian Meng Tan

Download or read book Effect of Axial Wall Modification on the Retention of Cement-retained, Implant-supported Crowns written by Kian Meng Tan and published by . This book was released on 2010 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt: There are only a limited number of publications in the prosthodontic literature examining the effect on the retention of cemented restorations of modifying the screw access channel or the number of axial walls on implant abutments. The purpose of this study was to investigate the effect of various implant abutment designs on the retention of cement-retained crowns by varying the configuration (number and position) of the axial walls...

The International Journal of Oral & Maxillofacial Implants

Author :
Publisher :
ISBN 13 :
Total Pages : 392 pages
Book Rating : 4.:/5 ( download)

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Book Synopsis The International Journal of Oral & Maxillofacial Implants by :

Download or read book The International Journal of Oral & Maxillofacial Implants written by and published by . This book was released on 2009 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Glossary of Prosthodontic Terms

Author :
Publisher :
ISBN 13 :
Total Pages : 80 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis The Glossary of Prosthodontic Terms by :

Download or read book The Glossary of Prosthodontic Terms written by and published by . This book was released on 1994 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt:

WCOI 6

Author :
Publisher :
ISBN 13 :
Total Pages : 522 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis WCOI 6 by :

Download or read book WCOI 6 written by and published by . This book was released on 2004 with total page 522 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Bone Implant Interface

Author : Hugh U. Cameron
Publisher : St. Louis ; Toronto : Moseby
ISBN 13 :
Total Pages : 408 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Bone Implant Interface by : Hugh U. Cameron

Download or read book Bone Implant Interface written by Hugh U. Cameron and published by St. Louis ; Toronto : Moseby. This book was released on 1994 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Postgraduate Orthopaedics

Author : Paul A. Banaszkiewicz
Publisher : Cambridge University Press
ISBN 13 : 1107627362
Total Pages : 301 pages
Book Rating : 4.1/5 (76 download)

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Book Synopsis Postgraduate Orthopaedics by : Paul A. Banaszkiewicz

Download or read book Postgraduate Orthopaedics written by Paul A. Banaszkiewicz and published by Cambridge University Press. This book was released on 2012-08-16 with total page 301 pages. Available in PDF, EPUB and Kindle. Book excerpt: The must-have book for candidates preparing for the oral component of the FRCS (Tr and Orth).

Misch's Contemporary Implant Dentistry

Author : Randolph Resnik
Publisher : Elsevier Health Sciences
ISBN 13 : 0323478263
Total Pages : 1267 pages
Book Rating : 4.3/5 (234 download)

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Book Synopsis Misch's Contemporary Implant Dentistry by : Randolph Resnik

Download or read book Misch's Contemporary Implant Dentistry written by Randolph Resnik and published by Elsevier Health Sciences. This book was released on 2020-01-25 with total page 1267 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dental implant surgery is an artform. To help you advance your skills and become a master of implant prosthetics, Misch's Contemporary Implant Dentistry, 4th Edition uses a multidisciplinary approach to cover the industry’s most current processes and surgical procedures. The new edition of this text continues to provide comprehensive, state-of-the-art information on the science and discipline of contemporary implant dentistry. Covering the breadth of dental implant surgery, it includes full-color, in-depth coverage of both simple and complicated clinical cases, with practical guidance on how to apply the latest research, diagnostic tools, treatment planning, implant designs, and materials. New author Randolph R. Resnik, is an internationally known educator, clinician, and researcher in the field of Oral Implantology and Prosthodontics who will continue Dr. Misch’s legacy and teachings. Content reflects original author’s philosophy and surgical protocols for dental implants giving you a system for achieving predictable outcomes. Evidence-based approach to dental implant procedures features state-of-the-art guidance supported by the best available research evidence. Rich art program throughout text highlights and clarifies key clinical concepts and techniques with over 2,500 images, radiographs, full-color clinical photographs, line art, and diagrams. Definitive resource in implant dentistry provides you with authoritative state-of-the art guidance by recognized leader in the field. Internationally known author, Randolph R. Resnik, DMD, MDS is a leading educator, clinician, author and researcher in the field of Oral Implantology and Prosthodontics. Surgical protocols provide the latest, most up-to-date literature and techniques that provide a proven system for comprehensive surgical treatment of dental implant patients. Thoroughly revised content includes current diagnostic pharmacologic and medical evaluation recommendations to furnish the reader with the latest literature-based information. Proven strategies and fundamentals for predictable implant outcomes Latest implant surgical techniques for socket grafting and ridge augmentation procedures Proven, evidence-based solutions for the treatment of peri-implant disease Includes the use of dermal fillers and botox in oral implantology Up-to-date information on advances in the field reflects the state-of-the-art dental implantology. Addition of an ExpertConsult site allows you to search the entire book electronically.

Loading Protocols in Implant Dentistry

Author : Daniel Wismeijer
Publisher : Quintessenz Verlag
ISBN 13 : 1850973458
Total Pages : 345 pages
Book Rating : 4.8/5 (59 download)

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Book Synopsis Loading Protocols in Implant Dentistry by : Daniel Wismeijer

Download or read book Loading Protocols in Implant Dentistry written by Daniel Wismeijer and published by Quintessenz Verlag. This book was released on 2019-09-03 with total page 345 pages. Available in PDF, EPUB and Kindle. Book excerpt: Implant dentistry has become a standard option for the rehabilitation of fully and partially edentulous patients. With the ever-increasing number of dentists involved in implant dentistry, it is essential to ensure that their treatment methods follow the highest standard. The ITI Treatment Guide series, a compendium of evidence-based implant-therapy techniques in daily practice, is written by renowned clinicians and provides a comprehensive overview of various therapeutic options. Using an illustrated step-by-step approach, the ITI Treatment Guide shows practitioners how to manage different clinical situations, with the emphasis on sound diagnostics, evidence-based treatment concepts, and predictable treatment outcomes. The second volume of the ITI Treatment Guide is devoted to the restoration of partially dentate patients. Central to this volume of the ITI Treatment Guide are loading protocols available to the clinician and the patient and how they relate to various treatment indications, including both single and multiple missing teeth in the posterior and anterior regions of the mouth. Among potential topics for upcoming volumes are implant placement in extraction sockets, loading protocols in edentulous patients, implant therapy in the esthetic zone in extended edentulous spaces, and many more.

Radiologic Guide to Orthopedic Devices

Author : Tim B. Hunter
Publisher : Cambridge University Press
ISBN 13 : 1107085624
Total Pages : 357 pages
Book Rating : 4.1/5 (7 download)

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Book Synopsis Radiologic Guide to Orthopedic Devices by : Tim B. Hunter

Download or read book Radiologic Guide to Orthopedic Devices written by Tim B. Hunter and published by Cambridge University Press. This book was released on 2017-05-11 with total page 357 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive reference on radiologic appearance, uses and complications of orthopedic devices, for radiologists, orthopedists, physicians, and students.

Contemporary Implant Dentistry (3Nd Edition)

Author : Carl E Misch
Publisher :
ISBN 13 : 9788131215104
Total Pages : 779 pages
Book Rating : 4.2/5 (151 download)

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Book Synopsis Contemporary Implant Dentistry (3Nd Edition) by : Carl E Misch

Download or read book Contemporary Implant Dentistry (3Nd Edition) written by Carl E Misch and published by . This book was released on 2008-03-23 with total page 779 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Textbook of Prosthodontics

Author : Deepak Nallaswamy
Publisher : JP Medical Ltd
ISBN 13 : 9351524442
Total Pages : 1417 pages
Book Rating : 4.3/5 (515 download)

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Book Synopsis Textbook of Prosthodontics by : Deepak Nallaswamy

Download or read book Textbook of Prosthodontics written by Deepak Nallaswamy and published by JP Medical Ltd. This book was released on 2017-09-30 with total page 1417 pages. Available in PDF, EPUB and Kindle. Book excerpt: Prosthodontics is the subspecialty of dentistry that deals with the aesthetic restoration and replacement of teeth. The second edition of this textbook has been fully revised and updated to provide undergraduates with the latest advances in the field of prosthodontics. Divided into six sections, each part provides in depth detail on a specific type of prosthesis – complete dentures, removable partial dentures, fixed partial dentures, maxillofacial prosthesis, implants, and dental materials. The section on implants has been completely reorganised with the addition of new chapters, and the section on dental materials is brand new to this edition. The book includes discussion on anatomical land marks and lab procedures, as well as evidence based clinical practice and operating techniques. More than 3000 clinical photographs, diagrams, concept maps and charts enhance learning and enable quick revision. Key points Fully revised, second edition providing latest advances in prosthodontics Features brand new section on dental materials Highly illustrated with more than 3000 clinical photographs, diagrams and charts Previous edition (9788180611995) published in 2006

Biomechanics of Lower Limb Prosthetics

Author : Mark R. Pitkin
Publisher : Springer
ISBN 13 : 3642030165
Total Pages : 153 pages
Book Rating : 4.6/5 (42 download)

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Book Synopsis Biomechanics of Lower Limb Prosthetics by : Mark R. Pitkin

Download or read book Biomechanics of Lower Limb Prosthetics written by Mark R. Pitkin and published by Springer. This book was released on 2009-10-14 with total page 153 pages. Available in PDF, EPUB and Kindle. Book excerpt: Foreword from a Clinical Biomechanist, Applied Physiologist and Prosthetist teaching graduate students in Prosthetics & Orthotics. While there are many books on Biomechanics, arguably the quintessential science of limb prosthetics, none addresses the fundamental principles in sufficient detail and depth to be practically useful to the prosthetist, rehabilitation specialist or researcher. Dr. Pitkin’s monograph is an exemplary collection of theoretical principles from his research and o- ers, presented in its clinical and applied biomechanics form. The textbook provides an excellent overview of the many facets of lower limb prosthetic design and engineering for the ardent clinician researcher and student. The book delves into many of the basic concepts that are required knowledge for the clinician and the scientist to have as the foundation for their work. Dr. Pitkin has an e- quent manner in which he reflects on the history and literature to tell the storied evolution of prosthetic design . He takes the reader on a journey to consider his theories, which have substantive foundations to contemplate. By the end of chapter one, we have the basic h- tory and an appreciation for the rationale behind the “rolling joint ankle” with evidence to support his theoretical views.

Tissue-integrated Prostheses

Author : Per-Ingvar Brånemark
Publisher : Quintessence Publishing (IL)
ISBN 13 :
Total Pages : 360 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Tissue-integrated Prostheses by : Per-Ingvar Brånemark

Download or read book Tissue-integrated Prostheses written by Per-Ingvar Brånemark and published by Quintessence Publishing (IL). This book was released on 1985 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt: " This book provides the prosthodontist and oral surgeon for the first time with a safe, predictable, and scientifically proven method for permanently anchoring artificial tooth abutments in the jawbones. It combines the osseointegration research results of biologists, physicists, bioengineers, oral surgeons, and prosthodontists to demonstrate step-by-step how to achieve long-term osseointegration of dental implants" -- Amazon.

Contemporary Implant Dentistry - E-Book

Author : Carl E. Misch
Publisher : Elsevier Health Sciences
ISBN 13 : 0323079016
Total Pages : 1121 pages
Book Rating : 4.3/5 (23 download)

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Book Synopsis Contemporary Implant Dentistry - E-Book by : Carl E. Misch

Download or read book Contemporary Implant Dentistry - E-Book written by Carl E. Misch and published by Elsevier Health Sciences. This book was released on 2007-11-26 with total page 1121 pages. Available in PDF, EPUB and Kindle. Book excerpt: Turn to this new third edition for consistent outcomes on even your most complex implant cases! World-renowned dental implantologist Carl E. Misch gives you expert advice and guidance on the various surgical approaches to placing implants in the revision of his best-selling classic. Over 1,000 full-color illustrations depict details of implants, related materials, and surgical procedures, while well-known contributors (Mohamed Sharawy, Martha Warren Bidez, Adriano Piatelli, and others) share a wealth of knowledge in their respective fields. This third edition provides an excellent opportunity for you to develop and refine your skills and experience more consistent, predictable clinical outcomes. Thorough explanations of the rationale for implants and their specific characteristics discuss why different options work better for different patients; the rationale behind implant materials and sizes; and the overall science of osteointegrated implants – providing a full understanding of how implants behave under certain circumstances and how to make the best choices for implant patients. Chapter on Diagnostic Imaging and Techniques focuses on the latest technology available to determine patient conditions, familiarizing you with recent advances and how they apply to treatment planning principles. Section on Treatment Planning discusses the rationales for implant placement, variables in implants and patient conditions, and the four degrees of jaw bone density, Dr. Misch’s best-known criterion for successful implant placement. Prepares you for actual treatment by reviewing scientific fundamentals such as applied anatomy, biomechanical principles, current biomaterials, prevention and management of dental infections, and pharmacologic considerations. Surgical procedure chapters are of benefit to the implant surgeon and are critical to the restoring dentist who wants to better understand and appreciate surgical concepts. Over 1,000 full-color illustrations depict details of implants, related materials, and surgical procedures. Brand-new coverage includes: Key Implant Positions and Number, Ideal Implant Surgery, Extraction Socket and Barrie Membrane Bone Grafts, Sinus Pathology and Complications of Sinus Grafts, Immediate Loading for a Single Tooth, Partially Edentulous and Completely Edentulous Patient. Important updates include indications and contraindications for rationale of biomechanical treatment plans, layered approach to bone grafting, autograft block bone grafting, soft tissue surgery, and implant esthetics and maintenance. A new chapter on Tissue Engineering uses current information on platelet-rich plasma membranes and other elements of tissue engineering so you can take advantage of appropriate materials. Emphasis on evidence-based implant outcomes provides valuable information on which procedures have the greatest likelihood of success and lowest risk of complications.