MyJournals Home  

RSS FeedsMaterials, Vol. 12, Pages 1970: Surface Quality of 3D-Printed Models as a Function of Various Printing Parameters (Materials)

 
 

19 june 2019 14:05:01

 
Materials, Vol. 12, Pages 1970: Surface Quality of 3D-Printed Models as a Function of Various Printing Parameters (Materials)
 


Although 3D-printing is common in dentistry, the technique does not produce the required quality for all target applications. Resin type, printing resolution, positioning, alignment, target structure, and the type and number of support structures may influence the surface roughness of printed objects, and this study investigates the effects of these variables. A stereolithographic data record was generated from a master model. Twelve printing processes were executed with a stereolithography Desktop 3D Printer, including models aligned across and parallel to the printer front as well as solid and hollow models. Three layer thicknesses were used, and in half of all processes, the models were inclined at 15°. For comparison, eight gypsum models and milled polyurethane models were manufactured. The mean roughness index of each model was determined with a perthometer. Surface roughness values were approximately 0.65 µm (master), 0.87–4.44 µm (printed), 2.32–2.57 µm (milled), 1.72–1.86 µm (cast plaster/alginate casting), and 0.98–1.03 µm (cast plaster/polyether casting). The layer height and type and number of support structures influenced the surface roughness of printed models (p ≤ 0.05), but positioning, structure, and alignment did not.


 
71 viewsCategory: Chemistry, Physics
 
Materials, Vol. 12, Pages 1971: Effect of Polymer Blends on the Properties of Foamed Wood-Polymer Composites (Materials)
Materials, Vol. 12, Pages 1969: Microspheres Formation in a Glass-Metal Hybrid Fiber System: Application in Optical Microwires (Materials)
 
 
blog comments powered by Disqus


MyJournals.org
The latest issues of all your favorite science journals on one page

Username:
Password:

Register | Retrieve

Search:

Physics


Copyright © 2008 - 2024 Indigonet Services B.V.. Contact: Tim Hulsen. Read here our privacy notice.
Other websites of Indigonet Services B.V.: Nieuws Vacatures News Tweets Nachrichten