Optimization Of Removable Partial Dentures
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Optimization Of Removable Partial Dentures
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Author : Omar Alageel
language : en
Publisher:
Release Date : 2019
Optimization Of Removable Partial Dentures written by Omar Alageel and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with categories.
"Removable partial dentures (RPDs) provide cost-effective treatment for millions of partially edentulous patients worldwide. However, RPDs often present several complications that result in treatment failure and patient dissatisfaction. The main reasons for these problems are the inadequate quality of the RPD framework and the lack of precise guidelines for designing retentive RPDs. We hypothesized that laser sintering/melting technology and advanced algorithms can improve the quality and design of removable partial denture treatments. Accordingly, the aim of this thesis is to optimize the quality and the design of removable partial dentures by using digital technology. Removable partial dentures (RPDs) are traditionally made using the casting technique, but recently, new additive manufacturing processes based on laser sintering/melting have been developed for the quick fabrication of RPDs metal frameworks at low cost. The objective of the first part of this thesis was to characterize and understand the mechanical, physical, and biocompatibility properties of RPD cobalt-chromium (Co-Cr) alloys produced by two laser-sintering/melting systems and compare them to those prepared using traditional casting methods. In this study, it was found that both laser-sintered/melted Co-Cr alloys fabricated by 2 different laser sintering/melting systems were more precise and showed higher hardness, yield strength, and fatigue resistance than the alloys prepared by the casting technique. This was due to the smaller grain size and higher microstructural homogeneity of the laser-sintered/melted alloys compare to the cast ones. In addition, both laser-sintered/melted and cast alloys had similar biocompatibility.Designing a retentive RPD is very challenging due to the lack of precise guidelines for designing RPDs, and there are no guidelines available to determine the optimal RPD design for each form of partial edentulism. Thus, the objective of the second part of the thesis was to determine the forces produced by food and clasps during mastication to develop an algorithm for predicting RPD retention and to help determine the optimal number of clasps. First, the forces that food exerts on acrylic resin teeth during simulated mastication and the retention forces provided by different clasps type (wrought wire, circumferential, and I-bar) were measured. The measured masticatory forces varied according to the type of tooth, occlusion, and food while the measured retentive forces varied according to the type of tooth and clasps. Using these measurements, an algorithm for predicting RPD retention and determining the optimal number of clasps was developed and validated experimentally with a sensitivity of 96%, a specificity of 100%, and an accuracy of 97%.In order to clinically validate the new model for predicting the retention of RPDs and to improve the guidelines for RPD design, the objective of the third part of the thesis was to investigate factors related to the retention of RPDs that affect patient satisfaction. In a population of 75 patients treated with 107 RPDs, 67% of them were satisfied with their RPDs. Patients were more satisfied with RPDs in the maxillary arch, tooth-bounded, or retained by >2 clasps than with RPDs in mandibular arch, free-end saddle, or retained by ≤2 clasps. Patients were significantly more satisfied with RPD designs that were predicted by our algorithm to have sufficient retention. The mathematical model for predicting the RPDs retention showed a clinical specificity of 83% in predicting patient satisfaction that may help design better RPDs with more predictable treatment outcome.In conclusion, digital technologies such as laser sintering/melting technology and advanced algorithms can improve the design, accuracy, and clinical performance of removable partial denture treatments. " --
Bioinspired Design And Optimization Of Materials For Dentures And Cellular Structures
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Author : Ammar Alsheghri
language : en
Publisher:
Release Date : 2020
Bioinspired Design And Optimization Of Materials For Dentures And Cellular Structures written by Ammar Alsheghri and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020 with categories.
"The remarkable and unique mechanical properties of natural structural designs have always been a source of inspiration for scientists to enhance material design. The integration of bioinspired design with topology optimization promises unprecedented possibilities in terms of improving the properties and functionalities of products. Recently, the advancement in additive manufacturing has enabled the sustainable and accurate fabrication of complex designs that were not possible a decade ago, which opened the door to implement and develop material design optimization methods. Aiming to understand and enhance design optimization methods towards the advancement of sustainable product design, the present dissertation systematically examined various optimization techniques and their implementation in real-life applications with a focus on a bioinspired approach. The dissertation involves design optimization through both analytical modeling and finite element analysis (FEA). Uniaxial tension and compression experiments were conducted on additively manufactured specimens to validate the results obtained from the different investigated design optimization models. The dissertation is manuscript-based containing three inherently connected articles (see the first page in chapters 3-5 for the interconnectivities). Chapters 3 covers design optimization through analytical modeling with a focus on optimizing the design of circumferential clasps in additively manufactured removable partial dentures. Chapter 4 presents bioinspired shape optimization with mesh adaptive direct search to improve strength and stiffness of metal/polymer interfaces in additively manufactured dental prostheses. Chapter 5 introduces an optimization framework for bioinspired topological design coupled with probability distribution models to generate the initial guess. Through this framework, bioinspired and optimized cellular structures could be designed for various biomedical and engineering applications. The aforementioned studies offer new insights to leverage the potential of additive manufacturing and optimize the mechanical design of structures and interfaces"--
Removable Partial Dentures
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Author : John D. Jones
language : en
Publisher: John Wiley & Sons
Release Date : 2009-08-07
Removable Partial Dentures written by John D. Jones and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-08-07 with Medical categories.
Removable Partial Dentures: A Clinician's Guide is a highly practical step-by-step guide to the diagnosis, treatment planning, and manufacture of removable partial prostheses. Through its systematic approach, the book demystifies the clinical practice of these procedures, providing the practitioner with essential information on this common modality for partially edentulous patients. This clinical manual offers easy-to-follow instruction on removable partial dentures, thoroughly outlining this technique in a practical format. Aimed at the new dental professional, Removable Partial Dentures provides key information for general dentists and prosthodontists.
Fundamentals Of Removable Partial Dentures
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Author : C. P. Owen
language : en
Publisher: Juta and Company Ltd
Release Date : 2000
Fundamentals Of Removable Partial Dentures written by C. P. Owen and has been published by Juta and Company Ltd this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Medical categories.
Removable Partial Dentures
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Author : Nicholas J. A. Jepson
language : en
Publisher: Quintessence Publishing Company Limited
Release Date : 2019-03-19
Removable Partial Dentures written by Nicholas J. A. Jepson and has been published by Quintessence Publishing Company Limited this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-03-19 with Medical categories.
If partial dentures are worth making, then they are worth making well. This book presents a review of demographic changes in the partially dentate population, the increasing availability of alternative treatments, and evidence for the long-term effectiveness of partial dentures. In addition, it provides evidence-based guidelines that practitioners can apply to the design, preparation, completion, and maintenance of removable partial dentures in their everyday clinical practice.
Removable Partial Prosthodontics
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Author : S. K. Lechner
language : en
Publisher: Wolfe Pub
Release Date : 1994
Removable Partial Prosthodontics written by S. K. Lechner and has been published by Wolfe Pub this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with Medical categories.
This work provides a case-oriented approach to treatment planning, bridging the gap between conventional textbooks of prosthodontics and basic manuals of denture design. It is divided into two parts. The first reviews basic principles of treatment planning and partial denture designs, and is supported by numerous line diagrams, checklists, questions and summaries which highlight key points. Part Two comprises 14 complete case histories, putting into practice the theory outlined in Part One. For each, the history leads to a series of possible treatment options, based on the patient's needs and the dentist's appraisal of their practicality. Each case is illustrated with casts of the patient's existing dentition, radiographs and results of other investigations such as sialography and CT scans. From these a treatment plan is devised and a denture constructed. In some of the cases, design errors' are also included for discussion.
Removable Partial Dentures
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Author : G. Graber
language : en
Publisher: Thieme
Release Date : 1988
Removable Partial Dentures written by G. Graber and has been published by Thieme this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Medical categories.
Removable Partial Dentures
Removable Partial Dentures
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Author : Robert P. Renner
language : en
Publisher: Quintessence Publishing (IL)
Release Date : 1987
Removable Partial Dentures written by Robert P. Renner and has been published by Quintessence Publishing (IL) this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Dentures, Partial, Removable categories.
A Clinical Guide To Removable Partial Denture Design
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Author : John C. Davenport
language : en
Publisher:
Release Date : 2000
A Clinical Guide To Removable Partial Denture Design written by John C. Davenport and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Denture, Partial, Removable categories.
All stages in the care of patients requiring removable partial dentures are important and the design of the prostheses needs as much skill and application as the others. This book looks at the process of design and includes a self-assessment section in which the reader can test his or her knowledge and understanding against an international team of expert prothosdontists. A companion volume to A Clinical Guide to Removable Partial Dentures by the same authors, this guide acts as a colour atlas to partial denture design, incorporating excellent artwork to illustrate the fine points of this skilful and vitally important aspect of patient dental care.
Removable Partial Dentures
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Author : Olcay Şakar
language : en
Publisher: Springer Nature
Release Date :
Removable Partial Dentures written by Olcay Şakar and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on with Partial dentures, Removable categories.
This clinical guide, now in an extensively revised second edition, describes the latest developments in planning, materials, and techniques for successful fabrication of removable partial dentures (RPDs). The fabrication of conventional and digital RPDs are demonstrated in a simple and easy-to-understand format, with the aid of numerous color figures and video clips with scientific support on each page. Care has been taken to provide reliable guidance on all aspects of clinical practice relating to RPDs. Readers will find information on decision-making regarding treatment options, clasp-retained RPDs and esthetic solutions, attachments and double crown systems in RPDs, implant-assisted RPDs, maintenance and post-insertion problems for all types of RPDs, the role of RPDs in the management of temporomandibular disorders and the treatment of maxillofacial defects, the re-establishment of occlusal vertical dimension and maximal intercuspation, the rules for disinfection in prosthodontic practice. .