Two groups of experimental bodies (n=35) were manufactured using two types of dental resin for removable dentures -3D-printed resin NextDent (NextDent, 3D Systems, The Netherlands) and PMMA (polymethylmethacrylate) resin Vertex BasiQ 20 (Vertex, 3D Systems, The Netherlands). The test specimens were prepared in rectangular shape with dimensions of 20×20×3 mm, applying two manufacturing methods -conventional heat-curing polymerization and 3D printing. The shape and size of the test sample were designed with Free CAD Version 0.19 and exported as an STL file. The first group of experimental bodies was fabricated using the process of 3D printing, layer by layer, in a specialized NextDent 3D printer (NextDent 5100, 3D Systems, The Netherlands). The second group was prepared using the conventional method of heat-curing polymerization in special metal flasks (Fig. 1).
Nextdent
Manufactured by 3D Systems
The NextDent is a line of dental 3D printing materials developed by 3D Systems for use in dental laboratories. It is designed for the additive manufacturing of dental devices and orthodontic appliances. The NextDent materials are formulated to meet the specific requirements of dental applications, providing biocompatibility and mechanical properties suitable for dental use.
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Lab products found in correlation
2 protocols using nextdent
1
Comparative Study of Dental Resin Fabrication
2
Biocompatible 3D Printed Materials for Medical Applications
Check if the same lab product or an alternative is used in the 5 most similar protocols
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Five biocompatible 3D printing materials including: two surgical guide resins (FormLabs, Somerville, MA and NextDent by 3D Systems, Soesterberg, the Netherlands), a photopolymer (VisiJet M3-X, 3D Systems, Rock Hill, SC), an elastomer (VisiJet ENT, 3D Systems, Rock Hill, SC), and a thermoplastic elastomer filament (DSM Arnitel, DSM, Herleen, Netherlands) were 3D printed and underwent post-processing using appropriate 3D printing technologies to form C-shaped discs (15 mm in height, 20 mm in diameter, and 3 mm in thickness), designed using Tinkercad (Autodesk, San Rafael, CA), exported as stereolithography (STL) files for printing, and printed using 3D printers specific to each material (Table 1 ). For comparison, Shiley™ laryngectomy tubes (size 6LGT) made from polyvinyl chloride (PVC) (MedTronic, Minneapolis, MN) were obtained and cut using a handsaw into C-shaped discs with similar dimensions as those of the printed discs.
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