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The Accuracy Of Master Casts Fabricated From Transfer Impressions Using The Branemark Osseointegrated Implant System
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Book Synopsis The Accuracy of Master Casts Fabricated from Transfer Impressions Using the Branemark Osseointegrated Implant System by : Robert M. Humphries
Download or read book The Accuracy of Master Casts Fabricated from Transfer Impressions Using the Branemark Osseointegrated Implant System written by Robert M. Humphries and published by . This book was released on 1988 with total page 262 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Accuracy of the Biomet 3i Encode® Robocast TM Technology Versus Conventional Implant Impression Techniques by : Kent Jon Howell
Download or read book Accuracy of the Biomet 3i Encode® Robocast TM Technology Versus Conventional Implant Impression Techniques written by Kent Jon Howell and published by . This book was released on 2011 with total page 41 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: Accuracy of implant master casts and the subsequent fit of implant restorations is an important and challenging factor for the implant restorative dentist. This study compared the accuracy of master casts referred to as a Robocast TM (Biomet 3i, West Palm Beach, FL), that contained implant analogs fabricated by means of a CADCAM technology known as the Encode® Impression System (Biomet 3i, West Palm Beach, FL). The Robocasts were compared to master casts fabricated with traditional implant impression techniques: transfer (closed-tray) and pick-up (open-tray) impression methods. Specifically, results were compared in parallel versus non-parallel implants, as well as individual implant sites. A stereolithographic replica of a human mandible, with teeth numbers 21-28 present, was fabricated. Posterior segments were edentulous. Four 4.0 x 10mm Biomet 3i Full Osseotite® Certain implants (Biomet 3i, West Palm Beach, FL) were placed in the posterior, 2 on each side; implants on one side were parallel to each other; implants on the other side diverged in the vertical plane by 30 degrees. Polyvinyl siloxane (PVS) impressions were made with CADCAM healing abutments, pick-up and transfer impression copings. Impression procedures were made with stock trays located in a standardized position. Implant analog master casts were fabricated for the closed-tray and open-tray techniques using a standardized protocol and including a reference sphere. The Robocast technology was used to position implant analogs for the CADCAM protocol. After generating the master cast, the measuring spheres were attached to the analogs, sprayed and scanned. Computerized measurements were made of the accuracy of the analog transfers in the master casts to the locations of the patient model implants and these measurements were compared statistically. Analysis was performed on each site individually as well as parallel versus non-parallel. The analysis on the parallel implants resulted in the following mean differences from the master cast: open-tray (O) = 19.3 ± 19.6 um, closed-tray (C) = 34.9 ± 22.1 um, and encode (E) = 86.5 ± 73.9 um. The analysis on the non-parallel implants resulted in the following mean differences from the master cast: O = 49.6 ± 57.8 um, C = 54.7 ± 59.5 um, and E = 122.9 ± 63.4 um. In the analysis of individual implant positions, the mean differences from the master in each test group were calculated. Site #18 produced the following values: C = 66.2 ± 80.4 um, O = 73.9 ± 74.9 um, E = 126.7 ± 73.9 um. Site #20 produced the following values: O = 25.3 ± 24.5 um, C = 43.2 ± 38.0 um, E = 119.0 ± 62.3 um. Site #29 produced the following values: O = 22.2 ± 27.0 um, C = 25.1 ± 7.2 um, E = 131.3 ± 82.5 um. Site #31 produced the following values: O = 16.4 ± 12.1 um, C = 44.8 ± 28.8 um, E = 41.7 ± 24.5 um. Within the non-parallel implant groups, the Encode impression/cast group was less accurate than the open-tray group (p
Book Synopsis Accuracy of Implant Casts Generated with Conventional and Digital Impressions U2013 An in Vitro Study by : A. Ribeiro Paulo
Download or read book Accuracy of Implant Casts Generated with Conventional and Digital Impressions U2013 An in Vitro Study written by A. Ribeiro Paulo and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Introduction: Studies demonstrated that the accuracy of intra-oral scanners can be compared with conventional impressions for most indications. However, little is known about their applicability to take impressions of multiple implants.Objective: compare the accuracy between digital impressions and different conventional printing techniques in implants in order to observe differences of the novel digital impression with the conventional techniques.Material and Methods: A stone cast of an edentulous mandible with 4 implants was fabricated to serve as master cast (control), two master models were made: one with parallel implants (Model 1)and another with uneven implants(Model 2). Model 1: 4 types of impressions were taken(Group A: tray impressions with reposition abutments; Group B: Open tray impression groups for dragging copings, without splinting; Group C: Open tray impressions for ferrules; Group D: Using 3M u2122 True Definition Scanner system).Model 2: 3 types of impressions were taken(Group E: tray impressions with reposition abutments; Group F: Open tray impression groups for dragging copings, without splinting; Group G: Using 3M u2122 True Definition Scanner system).Master casts and conventional impression casts were digitized with na extraoral high-resolution scanner. Standard tessellation language (STL)data sets from the seven groups of digital and conventional impressions were superimposed with the STL data set from the master cast to assess the 3D (global)deviations. To compare the master cast with digital and conventional impressions.Results: Statistical analysis was performed using the IBMu00ae SPSSu00ae Statistics Vs. 24, NY, USA.The normality of the distributions was analysed with an Kolmogorov-Smirnov test. The median comparison was performed using The differences between the median were analyzed using non-parametric Krustal-Wallis and Mann-Whitney tests with a significance level of p
Book Synopsis Accuracy of Digital and Conventional Implant Impressions by : Bohner Lauren
Download or read book Accuracy of Digital and Conventional Implant Impressions written by Bohner Lauren and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: In order to ensure a correct occlusion and fit of restorations, the accuracy of entire arch is required. In these cases, the quality of the dental cast relies on the digitizing and machining processes provided by CAD-CAM systems. As geometric errors may be introduced during the step of scanning and manufacturing of casts, their accuracy is still questionable.The purpose of this study was to compare the accuracy of casts obtained using digital and conventional implant impressions. A maxillary model containing dentalimplants on the region of canine and pre-molar was used as master model. Dental casts (n=10) were fabricated through both conventional and digital implant impressions. The conventional casts (CC), stereolithographic casts (SC) and the master model (MM) were digitized and the accuracy was determined through a deviation analysis and linear measurements. Data were analyzed using Student t-test and ANOVA with p=0.05. SC showed higher deviation at vestibular (CC: 41 u00b1 28; SC: 117 u00b1 37 u03bcm) and lingual cusps (CC: 40 u00b1 19; SC: 80 u00b1 42 u03bcm) in comparison to CC. No statistically significant difference was found for linear measurements of conventional and digital casts. The entire-arch accuracy was comparable between casts. However, in located points, stereolithographic casts were less accurate in comparison with conventional casts.
Book Synopsis Comparison of the Accuracy of Different Impression Taking Techniques Using Different Types of Transferring Methods for Bone Level Implants by : George Iordanov Papanchev
Download or read book Comparison of the Accuracy of Different Impression Taking Techniques Using Different Types of Transferring Methods for Bone Level Implants written by George Iordanov Papanchev and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: BackgroundThe accuracy and final perfect stress free fit of the final implant restoration is dependent on various factors. But one of the most important is the creation of accurate model. The contemporary approach uses both digital and material impression taking procedures. And still there are a lot of unbeneficial factors that can alter the accuracy of final prosthesisAim/HypothesisThe purpose of the study is to evaluate the influence accuracy of three different impression taking methods for bone level implants compared to intraoral scanningMaterials and Methods38 implants were scanned using scan flags and a digital model was created using the TRIOS intraoral scanner. All the patients were divided into two groups. For group one of 20 implants were transferred using open transfers and an open stock tray impression was taken with double layer double phase C-silicon. For the other 18 implants a double layer single phase additive silicon impression was taken. For both groups was created additional 3D printed custom tray and an impression was taken with polyether. All impressions were cast with dental plaster fourth grade and were scanned with scan flags consistent with the implant system. A digital comparison was made for each group compared to the digital model, acquired from the intraoral scanning.Results Showed some significant discrepancy in the group with the wash technique and the condensational silicon, less discrepancies were found in the group with additive silicon, and almost no significant discrepancies were found in none of the implants transferred with 3D printed custom tray.Conclusion Using a 3D printed custom tray impression taking approach could be a successful alternative to intraoral scanning.
Book Synopsis The Accuracy of Multi-implant Casts Fabricated Using a Segmental Framework Matrix by : Daniel M. Domagala
Download or read book The Accuracy of Multi-implant Casts Fabricated Using a Segmental Framework Matrix written by Daniel M. Domagala and published by . This book was released on 2008 with total page 170 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dental Implant Prosthetics - E-Book by : Carl E. Misch
Download or read book Dental Implant Prosthetics - E-Book written by Carl E. Misch and published by Elsevier Health Sciences. This book was released on 2004-09-20 with total page 656 pages. Available in PDF, EPUB and Kindle. Book excerpt: This new book focuses on dental implants used in conjunction with other prosthetic devices in the general dentist's office, designed to help the partially or completely edentulous patient recover normal function, esthetics, comfort, and speech. Step-by-step procedures guide practitioners through challenging clinical situations and assist them in refining their technique. The information in this practical, highly illustrated book reflects the latest in continued research, diagnostic tools, treatment planning, implant designs, materials, and techniques. Prosthetic devices covered in this include complete dentures, bridges, overdentures, and various dental implant systems. A comprehensive chapter covering immediate load implants teaches dentists how to provide an edentulous patient with implants the same day surgery is performed. A thorough discussion of preimplant prosthodontic considerations takes the practitioner through the vital assessment steps necessary to plan treatment. Considerations for assessing the restorability of teeth adjacent to potential implant sites include abutment size, crown-root ratio, endodontic status, root configuration, tooth position, parallelism, root surface area, caries, and periodontal status. Fixed treatment planning options for the completely edentulous mandibular arches expands treatment options available to dentists, helping them to treat more patients. Material thoroughly explores the three dimensional concept of available bone and the implant treatment options for each type of bone anatomy, which enables practitioners to treat patients at any stage of edentulism. Comparisons of the periodontal indices for a natural tooth and an osteointegrated implant alert clinicians to fundamental differences in the support system. Basic biomechanics are discussed, demonstrating how these principles also relate to the scientific rationale for contemporary and future dental implant designs. A comprehensive discussion of bone density in an edentulous site explains this determining factor in treatment planning, implant design, surgical approach, healing time, and initial progressive bone loading during prosthetic reconstruction.
Book Synopsis Atlas of Oral Implantology by : Pankaj P. Singh
Download or read book Atlas of Oral Implantology written by Pankaj P. Singh and published by Elsevier Health Sciences. This book was released on 2009-12-01 with total page 539 pages. Available in PDF, EPUB and Kindle. Book excerpt: With more than 1,500 illustrations, this edition covers key topics including diagnosis and planning, basic implant surgery, advanced implant surgery, implant prosthodontics, and implant management. Also includes important information on observing and diagnosing patients.
Book Synopsis Comparative in Vitro Study of the Accuracy of Impression Techniques for Dental Implants- Direct Technique with an Elastomeric Impression Material Versus Intraoral Scanner by : Cristina Rech
Download or read book Comparative in Vitro Study of the Accuracy of Impression Techniques for Dental Implants- Direct Technique with an Elastomeric Impression Material Versus Intraoral Scanner written by Cristina Rech and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The design and fabrication of implant-supported prosthetic structures requires the faithful reproduction of anatomical details and the correct positioning of the implants in the jaw. To do this, it is essential to take impressions using silicones or polyethers that will provide a working model that is as precise and exact as possible and will lead to a prosthetic structure with adequate passive fit.In recent years, the introduction of digital workflow has brought about a revolution in the field of dentistry, particularly in relation to the fabrication of prosthetic structures, whether tooth- or implant-supported. Digital techniques have allowed greater management of technical errors in metal-casting, making it easier to achieve a correct prosthetic fit. This study aimed to compare two impression techniques for analogue implants: the direct (or pick-up) technique with the elastomeric material polyether, and a digital scanner (True Definitionu00ae, 3Mu00ae ESPE: USA), in order to determine which is the more accurate technique. Twenty impressions were taken of a master model with each technique. Were measured the distances between contiguous analogues, intermittently positioned analogues and the most distal implants. Only significant differences were found between both techniques and the master model for the distance between distal analogues.After analizing the results of this study, for rehabilitations involving more than four implants, neither technique can be considered accurate although error falls within the tolerance limits established in the literature (30-150u00b5m).
Book Synopsis The International Journal of Prosthodontics by :
Download or read book The International Journal of Prosthodontics written by and published by . This book was released on 1993 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Impressions In Dental Implants by : Srishti Madhav
Download or read book Impressions In Dental Implants written by Srishti Madhav and published by LAP Lambert Academic Publishing. This book was released on 2015-09-29 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt: Success in oral rehabilitation is dependent in part, on the accurate registration of those structures that constitute the basis for prosthesis support. The accurate transfer of implant or abutment position to the definitive cast is a determining factor for successful passively fitting implant restoration, and is important for preventing prosthetic complications. An understanding of biomechanics of implant Prosthodontics necessitates the fabrication of passively fitting prosthesis.As implantology is an upcoming branch, gaining excellence in the same become more vital. The surgical placement of implants may be accomplished by dental surgeons of other branches too, like oral and maxillofacial surgeons, periodontists etc but the prosthetic part decides the final outcome and success. Since, an unprecise prosthesis may lead to failure of well osseointegrated implants, it becomes the final and most important deciding factor. A thorough knowledge will yield incredible results.This book will describe the implant impression making in a simplified manner with a more practical approach. Situations useful for both the experts and general dentists will be considered
Book Synopsis Annals of the Academy of Medicine, Singapore by : Academy of Medicine (Singapore)
Download or read book Annals of the Academy of Medicine, Singapore written by Academy of Medicine (Singapore) and published by . This book was released on 1995 with total page 1174 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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 614 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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.
Book Synopsis A Laboratory Study of the Accuracy of Single Tooth Implant Transfer Impressions for Three Systems with Different Internal Connection Designs by : Eshamsul Sulaiman
Download or read book A Laboratory Study of the Accuracy of Single Tooth Implant Transfer Impressions for Three Systems with Different Internal Connection Designs written by Eshamsul Sulaiman and published by . This book was released on 2004 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Accuracy and Precision of Methods and Materials Used to Construct Implant Master Casts by : David Richard Cagna
Download or read book Accuracy and Precision of Methods and Materials Used to Construct Implant Master Casts written by David Richard Cagna and published by . This book was released on 2002 with total page 338 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Extra-Coronal Restorations by : Robert Wassell
Download or read book Extra-Coronal Restorations written by Robert Wassell and published by Springer. This book was released on 2018-07-31 with total page 459 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a state of the art clinical guide to contemporary materials and techniques for the restoration of individual teeth and implants. It fully reflects the important developments in the field over the past 15 years, including in particular the shift away from wholesale use of crowns towards adhesive dentistry and less invasive extra-coronal restorations. The book opens by considering the principles and evidence base relating to the longevity of restorations of teeth and implants. Importantly, it explains how to ensure “a healthy start” and manage future risks. Material choice and aesthetic issues are then discussed, before all aspects of the planning and provision of extra-coronal restorations are examined in depth. The coverage also includes the adaptation of crowns to existing partial dentures. In line with modern dental education, each chapter begins with clinically relevant learning objectives, and helpful clinical tips are highlighted. The book will be of value for senior dental undergraduates, postgraduates, and practicing dentists and its scientific content will be of interest to dental academics.
