Influence of Digital Technologies and Framework Design on the Load to Fracture of Co‐Cr Posterior Fixed Partial Denture Frameworks

2021 ◽  
Author(s):  
Celia Tobar ◽  
Veronica Rodriguez ◽  
Carlos Lopez‐Suarez ◽  
Jesus Pelaez ◽  
Maria J. Suarez
Keyword(s):  
Digital Technologies ◽  
Partial Denture ◽  
Framework Design ◽  
Fixed Partial Denture

scholarly journals A Simple Surgical Approach for Correction of Deficient Alveolar Ridge for Prospective Fixed Partial Denture Patients: A Clinical Report

2014 ◽  
Vol 02 (01) ◽  
pp. 030-035
Author(s):  
Ambika Shrivastav ◽  
Siddarth Gupta
Keyword(s):  
Surgical Approach ◽  
Clinical Report ◽  
Alveolar Ridge ◽  
Class Iii ◽  
Partial Denture ◽  
Ridge Augmentation ◽  
Framework Design ◽  
Fixed Partial Denture ◽  
Natural Teeth ◽  
Augmentation Procedure

AbstractRehabilitation of patients with deficient Seibert's Class-III ridge mandibular ridge is always a challenge for a dentist. This article discusses the problems faced while rehabilitating such cases and also discusses the surgical and prosthetic management of one such case. A ridge augmentation procedure called as “Roll on Technique” was used to correct the contour of the ride. Fixed partial denture with altered framework design and tissue colored porcelain was used to complete the case. These simple but effective changes helped to give predictable esthetics with illusion of natural teeth.

Minimum acceptable laboratory procedures for satisfactory complete dentures, removable partial dentures, and fixed partial denture services

1972 ◽  
Vol 27 (1) ◽  
pp. 79-80 ◽  
Author(s):  
George A. Buckley ◽  
Louis Blatterfein ◽  
David H. Coelho ◽  
Robert L. Pearce ◽  
James T. Jackson ◽  
...  
Keyword(s):  
Complete Dentures ◽  
Partial Denture ◽  
Fixed Partial Denture ◽  
Laboratory Procedures

scholarly journals Three-Dimensional Finite Element Analysis of the Veneer—Framework Thickness in an All-Ceramic Implant Supported Fixed Partial Denture

Ceramics ◽  
2021 ◽  
Vol 4 (2) ◽  
pp. 199-207
Author(s):  
Lohitha Kalluri ◽  
Bernard Seale ◽  
Megha Satpathy ◽  
Josephine F. Esquivel-Upshaw ◽  
Yuanyuan Duan
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Stress Distribution ◽  
Three Dimensional ◽  
Ct Scanner ◽  
Element Analysis ◽  
Partial Denture ◽  
Fixed Partial Denture ◽  
Occlusal Surfaces ◽  
All Ceramic

This study was performed as an adjunct to an existing clinical study to validate the effect of veneer: framework thickness ratio on stress distribution in an implant-supported all-ceramic fixed partial denture. Two commercially available titanium dental implants with corresponding customized abutments and a patient-retrieved all-ceramic fixed partial denture were scanned using a high-resolution micro-CT scanner. Reconstructed 3D objects, along with a simulated bone surface, were incorporated into a non-manifold assembly and meshed simultaneously using Simpleware software (Synopsys Simpleware ScanIP Version P-2019.09; Mountain View, CA). Three such volume meshes (Model A, Model B, Model C) corresponding to veneer: framework thickness ratios of 3:1, 1:1, and 1:3 respectively were created, and exported to a finite element analysis software (ABAQUS). An axial load of 110 N was applied uniformly on the occlusal surfaces to calculate the static stresses and contour plots were generated in the post-processing module. From the data obtained, we observed optimum stress distribution in Model B. Also, the tensile stresses were concentrated in the posterior connector region of the prosthesis in all three models tested. Within the limitations of this study, we can conclude that equal thickness of veneer and framework layers would aid in better stress distribution.

scholarly journals Vertical and Horizontal Misfit Analysis of 3-unit FDP Fabricated with Different Techniques and CAD/CAM Systems

2018 ◽  
Vol 29 (4) ◽  
pp. 342-346
Author(s):  
Eduardo Piza Pellizzer1 ◽  
Caroline Cantieri de Mello ◽  
Jéssica Marcela de Luna Gomes ◽  
Joel Ferreira Santiago Júnior ◽  
Cleidiel Aparecido Araújo Lemos ◽  
...  
Keyword(s):  
Reference Model ◽  
Optical Microscope ◽  
The Other ◽  
Marginal Adaptation ◽  
Nicr Alloy ◽  
Partial Denture ◽  
Optical Scanning ◽  
Fixed Partial Denture ◽  
Cad Cam ◽  
Cam Systems

Abstract The aim of this is was evaluate the vertical and horizontal marginal adaptation of 3-unit fixed partial denture frameworks fabricated using different techniques and CAD/CAM systems. A total of 40 framework specimens were fabricated and divided into four groups as follows: lost-wax casting (G1); lost-wax casting with welding (G2); extraoral optical scanning of models (3S/DWOS) (G3); intraoral optical scanning (Cerec Bluecam/Sirona) (G4). A reference model was used to simulate a fixed partial denture with three elements (with a central pontic). The frameworks of G1 and G2 were cast in nickel-chromium (NiCr) alloy, whereas those of G3 and G4 were milled in zirconia. In all groups, vertical and horizontal marginal adaptation (over-contour and under-contour) was evaluated using a three-dimensional optical microscope (Quick Scope, Mitutoyo). The results showed higher vertical marginal misfit in G1 than in the other groups (p<0.001). Regarding horizontal marginal misfit, higher over-contour values occurred in G3 than in the other groups (p<0.001). G3 did not show under-contour at all, whereas the other groups did not differ from each other in this regard (p>0.05). Within the limitations of this study, it can be concluded that lost-wax casting with welding is a viable alternative to the use of CAD/CAM systems to fabricate frameworks of three-unit FPDs, since the techniques yielded similar vertical misfit values. Extra-oral CAD/CAM systems showed the highest horizontal misfit (over-contour) compared to other groups.

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