Structural Investigations on Poly(methyl methacrylate) Various Composites Used for Stereolithographyc Complete Dentures

Abstract

The present paper is focused on analyzing if appropriate adhesion between the polymeric matrix and titania filler nanoparticles is obtained for the PMMA-TiO2 photo-curable dental material, suitable for application in RP - stereolithography (SLA) for complete denture manufacturing. It was found that different amounts, between 0.2% and 2.5 % (w/w%), of added titanium oxide nanoparticles slightly modify the structural behavior of the PMMA polymeric matrix. The material characterization was carried out using FT-IR and microscopy techniques.

Nanocomposite for Rapid Prototyped Complete Denture Eighteen months follow-up on clinical performance

“…Subsequently, these functionalized nanosized particles were added in appropriate amount (0.4% wt) under permanent and vigorously stirring to a homogenized mixture of poly (methyl methacrylate) with methyl methacrylate monomer (3:1) and initiator -peroxide benzoyl (1%) (EnvisonTec, GmbH, Gladbeck, Germany). After its preparation, the hybrid mixture has been sonicated for 4 h. The material prepared in this manner has been completely characterized: physically, chemically and biochemically, as presented elsewhere [13,14,[16][17][18].…”

“…Therefore, the first objective of the present study was to evaluate the clinical performance of the nanohybrid composite that we developed. A protocol for long-term rapid prototyping complete denture manufacturing using the improved PMMA-TiO 2 nanocomposite material, completely characterized [14][15][16][17] and the evaluation of the clinical performance and complications after eighteen months of continuous wearing was also performed.…”

3D Printed Dental Models A comparative analysis

“…Last but not least, the 3D printing, as an additive process, is believed to be superior to the cutting process, thus allowing the possibility to prepare more complex models and dental restorations that are unfeasible in the subtractive process [26,27]. Technical advancement in the performance of 3D printing has been significant in the last years [28][29][30] and a current trend toward lower prices has also been noticed [26]. In this favorable context, 3D printing in dentistry is expected to reach its best in the near future.…”

Comparative Study on Two Methods Used in Obtaining 3D Printed Dental Models

“…3D printing and intraoral scanning represent topics of great interest in the modern scientific research, showing a significant development [31][32][33][34], with extremely promising perspectives; therefore, the dentistry of the future has every chance to become "3D printedˮ, and the acquisition of the necessary data for the elaboration and implementation of the treatment plans shall be mostly or -perhaps -exclusively done in the dental office.…”