Comparison of the Accuracy of Different Impression Taking Techniques Using Different Types of Transferring Methods for Bone Level Implants

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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.

Comparative in Vitro Study of the Accuracy of Impression Techniques for Dental Implants- Direct Technique with an Elastomeric Impression Material Versus Intraoral Scanner

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

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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).

Loading Protocols in Implant Dentistry

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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.

Tissue-integrated Prostheses

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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.

Accuracy of Implant Casts Generated with Conventional and Digital Impressions U2013 An in Vitro Study

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Total Pages : pages
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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

Accuracy of the Biomet 3i Encode® Robocast TM Technology Versus Conventional Implant Impression Techniques

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ISBN 13 :
Total Pages : 41 pages
Book Rating : 4.:/5 (743 download)

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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

Index Medicus

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ISBN 13 :
Total Pages : 1956 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Index Medicus by :

Download or read book Index Medicus written by and published by . This book was released on 2002-12 with total page 1956 pages. Available in PDF, EPUB and Kindle. Book excerpt: Vols. for 1963- include as pt. 2 of the Jan. issue: Medical subject headings.

A Comparison of Dimensional Accuracy of the Splinted and the Unsplinted Implant Impression Techniques for the Bone-lock℗ Implant System

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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (81 download)

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Book Synopsis A Comparison of Dimensional Accuracy of the Splinted and the Unsplinted Implant Impression Techniques for the Bone-lock℗ Implant System by : Gemal El-Jebali Burawi

Download or read book A Comparison of Dimensional Accuracy of the Splinted and the Unsplinted Implant Impression Techniques for the Bone-lock℗ Implant System written by Gemal El-Jebali Burawi and published by . This book was released on 1995 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

A Comparative Study of the Accuracy of Different Impression Techniques and Materials for Implant Restoration

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ISBN 13 :
Total Pages : 108 pages
Book Rating : 4.:/5 (516 download)

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Book Synopsis A Comparative Study of the Accuracy of Different Impression Techniques and Materials for Implant Restoration by : Patchanee Rungruanganunt

Download or read book A Comparative Study of the Accuracy of Different Impression Techniques and Materials for Implant Restoration written by Patchanee Rungruanganunt and published by . This book was released on 2002 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Fundamentals of Esthetic Implant Dentistry

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Publisher : John Wiley & Sons
ISBN 13 : 0470376333
Total Pages : 354 pages
Book Rating : 4.4/5 (73 download)

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Book Synopsis Fundamentals of Esthetic Implant Dentistry by : Abdelsalam Elaskary

Download or read book Fundamentals of Esthetic Implant Dentistry written by Abdelsalam Elaskary and published by John Wiley & Sons. This book was released on 2008-04-15 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt: Esthetic dentistry and implant dentistry continue to grow in patient demand and professional popularity. More now than ever, clinicians are faced with the need to combine form with function, art with science. The considerable scientific and technical leaps that have been made in this field mean that this goal is now more achievable, and Fundamentals of Esthetic Implant Dentistry seeks to share these advances with practitioners and students alike.

Comparing the Accuracy of Intra-oral Scanners for Implant Level Impressions Using Different Scanable Abutments

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ISBN 13 :
Total Pages : 69 pages
Book Rating : 4.:/5 (93 download)

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Book Synopsis Comparing the Accuracy of Intra-oral Scanners for Implant Level Impressions Using Different Scanable Abutments by : Nakul H. Rathi

Download or read book Comparing the Accuracy of Intra-oral Scanners for Implant Level Impressions Using Different Scanable Abutments written by Nakul H. Rathi and published by . This book was released on 2014 with total page 69 pages. Available in PDF, EPUB and Kindle. Book excerpt: The calculated differences (mm3) were analyzed using a repeated-measures muiltifactorial ANOVA and Tukey-test, with an alpha level=0.05, with a non-directional alpha risk of 0.05. Post-hoc comparison was done showing all the possible combination of the variable types. Four actual CAD bars were milled through the CAM process and compared to the digital analysis.

Comparison of Implant Placement Accuracy Using the Flapless Surgical Technique with a Conventional Or Stereolithographic Surgical Guide

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ISBN 13 :
Total Pages : 206 pages
Book Rating : 4.:/5 (667 download)

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Book Synopsis Comparison of Implant Placement Accuracy Using the Flapless Surgical Technique with a Conventional Or Stereolithographic Surgical Guide by : Aaron James Colby

Download or read book Comparison of Implant Placement Accuracy Using the Flapless Surgical Technique with a Conventional Or Stereolithographic Surgical Guide written by Aaron James Colby and published by . This book was released on 2010 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt: The goal of this clinical investigation was to compare the accuracy of implant placement as a function of two types of surgical guides, conventional or stereolithographic, that were used with a flapless surgical technique for single implant placement in the maxillary esthetic zone. Implant placement accuracy between the treatment groups was compared by evaluating differences in the thickness of facial bone, occurrences of fenestrations or dehiscences, agreement of treatment planned and actual placed abutment, peri-implant gingival height, and peri-implant interproximal bone height. The implant failure rate over time was also evaluated. When comparing the surgical guide groups, there were no statistically significant differences between any of the evaluation outcomes Based on the study evidence, with either the conventional or stereolithographic surgical guide, implant placement accuracy was similar, as was the implant success rate over the 4-month observation period.

Comparative Analysis of the Accuracy of Implant Transfer Technique

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ISBN 13 :
Total Pages : 144 pages
Book Rating : 4.:/5 (272 download)

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Book Synopsis Comparative Analysis of the Accuracy of Implant Transfer Technique by : Chii-Chih Hsu

Download or read book Comparative Analysis of the Accuracy of Implant Transfer Technique written by Chii-Chih Hsu and published by . This book was released on 1992 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Peterson's Principles of Oral and Maxillofacial Surgery

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Publisher : B.C. Decker
ISBN 13 :
Total Pages : 792 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Peterson's Principles of Oral and Maxillofacial Surgery by : Michael Miloro

Download or read book Peterson's Principles of Oral and Maxillofacial Surgery written by Michael Miloro and published by B.C. Decker. This book was released on 2004 with total page 792 pages. Available in PDF, EPUB and Kindle. Book excerpt: Peterson’s Principles of Oral and Maxillofacial Surgery, Second Edition,encompasses a wide range of diverse topics making it a unique text amongst the medical and dental specialties. The purpose of this concise, easy-to-read two-volume text is to provide an authoritative and currently referenced survey of the specialty of Oral and Maxillofacial Surgery. It contains the necessary information for clinicians and is an ideal reference text for preparation for board certification in the specialty. Expansions to the Second Edition include: anesthesia section to encompass comprehensive patient assessment and management in the peri-anesthetic period osseointegrated implant section to include chapters on soft and hard tissue adjunctive procedures, zygomaticus and novum systems, as well as a section on implant prosthodontics for the surgeon Additions to the Second Edition include: new chapters on cleft orthodontics and distraction osteogenesis

Implant Impression Technique

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Publisher : DENTOMED PUBLICATION HOUSE
ISBN 13 : 9391369766
Total Pages : 112 pages
Book Rating : 4.3/5 (913 download)

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Book Synopsis Implant Impression Technique by : Dr. Sunita Mathuriya

Download or read book Implant Impression Technique written by Dr. Sunita Mathuriya and published by DENTOMED PUBLICATION HOUSE. This book was released on 2022-04-06 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Repositioning Accuracy of Implant Prosthetic Components Used for Digital and Conventional Workflow

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

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Book Synopsis Repositioning Accuracy of Implant Prosthetic Components Used for Digital and Conventional Workflow by : Vytautas Bilius

Download or read book Repositioning Accuracy of Implant Prosthetic Components Used for Digital and Conventional Workflow written by Vytautas Bilius and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Background. In the literature, misfit of the implant-supported restoration of 100 u03bcm or less is often considered as clinically acceptable. The conventional and digital workflow inevitably involves reconnection of impression components and Ti bases to analogs and implants. Moreover, the position of the components could depend on the torque level. The positional inaccuracies of these components can influence the overall accuracy of the workflow and potentially lead to technical and biologic complications.Aim/Hypothesis. The aim of this study was to evaluate repositioning errors of implant prosthetic components used in conventional and digital workflows. The null hypothesis was that there are no differences in repositioning accuracy of investigated components and position is not depending on the torque level.Materials and Methods. Seven implants (Microcone, Medentika) were fixed in milled steel blank using resin. Implant- and abutment-level impression copings, scan bodies, hex and non-hex Ti bases, and multi-unit caps (7 different components) were evaluated. A standardized test body was glued to each component at exactly the same position. The position of the component-test body complex (CTBC) was consecutively determined 7 times after manual disassembly and reassembly using 15 Ncm torque for the impression components and multi-unit caps, while for the Ti bases 15 Ncm and 25 Ncm torque was applied. Predefined spots on the surface of the CTBC were sampled to detect any changes in position using a coordinate measuring machine. Vertical, horizontal, sagittal and 3D discrepancies after each manual reassembly were monitored. A Mannu2013Whitney U test was used for pairwise comparison of the mean displacements of components to determine statistical differences (p=.05).Results. Positional displacements were observed in all three axes. The mean (u00b1 standard deviation) 3D displacements of the implant-level pick-up copings (36 u00b1 8 u03bcm) and scan bodies (26 u00b1 29 u03bcm) were significantly greater than of the abutment-level impression copings (16 u00b1 8 u03bcm) and scan bodies (12 u00b1 10 u03bcm). The mean 3D displacement of the Ti base with hex (6 u00b1 5 u03bcm) was significantly lower than that for the multi-unit cap (11 u00b1 8 u03bcm). While non-hex Ti base (9 u00b1 7 u03bcm) group have not significantly differed from the multi-unit cap group (11 u00b1 8 u03bcm). There was a statistically significant difference in 3D deviations of hex (14 u00b1 21 u03bcm) and the non-hex (15 u00b1 10 u03bcm) Ti bases after increasing the torque from 15 Ncm to 25 Ncm.Conclusions and Clinical Implications. Manual assembly and reassembly results in 3D positional changes of the impression copings, scan bodies and abutments. The components related to conventional and digital workflow could have deviations in the position up to 35 u03bcm. The different torque levels could result in the positional change as well. The clinician should select the workflow with a component having better repositioning accuracy, which can potentially improve the clinical outcomes.

Evaluation of Accuracy of Implant Impressions

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ISBN 13 :
Total Pages : 188 pages
Book Rating : 4.:/5 (652 download)

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Book Synopsis Evaluation of Accuracy of Implant Impressions by : Zahra Bagheri

Download or read book Evaluation of Accuracy of Implant Impressions written by Zahra Bagheri and published by . This book was released on 2009 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt: