Load-bearing capacity of handmade and computer-aided design–computer-aided manufacturing-fabricated three-unit fixed dental prostheses of particulate filler composite

2011 ◽  
Vol 69 (3) ◽  
pp. 144-150 ◽  
Author(s):  
Emine Göncü Başaran ◽  
Emrah Ayna ◽  
Pekka K. Vallittu ◽  
Lippo V. J. Lassila
Keyword(s):  
Bearing Capacity ◽  
Computer Aided Design ◽  
Load Bearing Capacity ◽  
Computer Aided Manufacturing ◽  
Load Bearing ◽  
Dental Prostheses ◽  
Computer Aided ◽  
Fixed Dental Prostheses ◽  
Particulate Filler ◽  
Aided Design

scholarly journals Influence of Sequential CAD/CAM Milling on the Fitting Accuracy of Titanium Three-Unit Fixed Dental Prostheses

Materials ◽  
2021 ◽  
Vol 14 (6) ◽  
pp. 1401
Author(s):  
Doo-Bin Song ◽  
Man-So Han ◽  
Si-Chul Kim ◽  
Junyong Ahn ◽  
Yong-Woon Im ◽  
...  
Keyword(s):  
Titanium Alloy ◽  
Computer Aided Design ◽  
Dental Prostheses ◽  
Computer Aided ◽  
Cad Cam ◽  
Fixed Dental Prostheses ◽  
Gap Data ◽  
Aided Design ◽  
Fitting Accuracy

This study investigated the fitting accuracy of titanium alloy fixed dental prostheses (FDP) after sequential CAD/CAM (Computer Aided Design/Computer Aided Manufacturing) fabrication. A three-unit FDP model connecting mandibular second premolars and molars was prepared and scanned to fabricate titanium FDPs by CAD/CAM milling. A total of six FDPs were sequentially milled in one titanium alloy disk using a new set of burs every time (n = 4). The fitting accuracy of FDPs was mesiodistally evaluated by a silicone replica technique and the measurement was triplicated at four different locations: MO (marginal opening), MG (marginal gap), AG (axial gap), and OG (occlusal gap). Data were statistically analyzed using ANOVA and Tukey’s HSD test. The fitting accuracy of PMMA (polymethyl methacrylate) FDPs milled using the worn or new bur were evaluated by the same procedure (n = 6). The mean dimensions of titanium FDP for all measuring positions, except for AG, were significantly increased from the third milling. However, no difference was noted between the first FDP and the second FDP milled with the same set of burs. Severe edge chippings were observed in all milling burs. Detrimental effects of the worn burs on the fitting accuracy were demonstrated in the CAD/CAM-milled PMMA FDP. The results recommend proper changing frequency of cutting burs to achieve the quality of fit and predictable outcomes for dental CAD/CAM prostheses.

The influence of framework design on the load-bearing capacity of laboratory-made inlay-retained fibre-reinforced composite fixed dental prostheses

2009 ◽  
Vol 42 (7) ◽  
pp. 844-849 ◽  
Author(s):  
Filip Keulemans ◽  
Lippo V.J. Lassila ◽  
Sufyan Garoushi ◽  
Pekka K. Vallittu ◽  
Cornelis J. Kleverlaan ◽  
...  
Keyword(s):  
Bearing Capacity ◽  
Load Bearing Capacity ◽  
Load Bearing ◽  
Framework Design ◽  
Dental Prostheses ◽  
Reinforced Composite ◽  
Fixed Dental Prostheses

Influence of Preliminary Damage on the Load-Bearing Capacity of Zirconia Fixed Dental Prostheses

2010 ◽  
Vol 19 (8) ◽  
pp. 606-613 ◽  
Author(s):  
Philipp Kohorst ◽  
Lutz Oliver Butzheinen ◽  
Marc Philipp Dittmer ◽  
Wieland Heuer ◽  
Lothar Borchers ◽  
...  
Keyword(s):  
Bearing Capacity ◽  
Load Bearing Capacity ◽  
Load Bearing ◽  
Dental Prostheses ◽  
Fixed Dental Prostheses

scholarly journals Strategic Use of CAD-CAM Interim Restoration for the Recovery of the Vertical Dimension of Occlusion in the Posterior Partially Edentulous Jaw

2020 ◽  
Vol 10 (21) ◽  
pp. 7735
Author(s):  
Hai Yen Mai ◽  
Jae-Min Seo ◽  
Jae-Kwang Jung ◽  
Du-Hyeong Lee
Keyword(s):  
Case Report ◽  
Computer Aided Design ◽  
Vertical Dimension ◽  
Posterior Region ◽  
Occlusal Contact ◽  
Dental Prostheses ◽  
Computer Aided ◽  
Cad Cam ◽  
Fixed Dental Prostheses ◽  
Aided Design

Occlusal contact loss occasionally occurs following the placement of implant-supported fixed dental prostheses in the posterior region. This complication is caused by the change in the vertical dimension of occlusion after the recovery of mastication. The change is probably related to the prosthesis sinking phenomenon and previous mandibular dislocation. The use of interim prostheses could help re-establish the vertical dimension of occlusion. The definitive prostheses can then be accurately fabricated using digital techniques in the newly established vertical dimension. In this case report, we introduce a protocol incorporating a computer-aided design and computer-aided manufacturing (CAD-CAM) interim prosthesis and digital techniques to minimize the occurrence of unexpected initial occlusal changes in the prosthetic treatment of implant-supported prostheses in the posterior region.

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