Abstract
The aim of the present paper was to characterize the new pink PMMA doped with 0.4% TiO2 nanoparticles utilized for denture base manufacturing as alternative to the one-piece, single color material for removable denture. The PMMA base material was structurally characterized through XRD, SEM, EDX, and subsequently by FT-IR and Raman spectroscopy. An improvement in the thermal stability of the obtained material compared with the PMMA matrix without filler was evidenced. All performed structural analyzes are recommending the new pink PMMA with 0.4% nano-titania as an as an alternative to the one-piece, single color material for removable dentures processing.
Highlights
IntroductionAll performed structural analyzes are recommending the new pink PMMA with 0.4% nano-titania as an as an alternative to the one-piece, single color material for removable dentures processing
The structural analysis was completed with the results provided by a Perkin Elmer Spectrum Two Fourier Transformed Infrared (FTIR) spectrometer, equipped with an Attenuated Total Reflection (ATR) element
The X-ray diffraction patterns of PMMA and titania nanoparticles-PMMA nanocomposite denture bases are presented in figure 2
Summary
All performed structural analyzes are recommending the new pink PMMA with 0.4% nano-titania as an as an alternative to the one-piece, single color material for removable dentures processing. The proposed technology allowed obtaining a monolithic denture requiring post processing and esthetic adjustments by applying pink gingiva, light-cured material [2]. The aim of the present paper was to characterize the ndeenwtuprienkbaPsMeMmAanduofpaecdtuwrinitghaTsiOal2tnerannaotpivaerttoictlhees utilized for one-piece, single color material for removable denture. The denture base was obtained from a mixture of PMMA with methylmethacylate (MMA) and a radical reaction promoter (from EnvisionTEC GmbH, Gladbeck, Germany) to which titanium oxide nanoparticles, in both, anatase and rutile, phases (Aldrich), has been added. The workflow for two-piece complete denture is similar to the one required for obtaining monolithic removable prosthesis. For two-piece denture manufacturing, two different type of PMMA were utilized. For the monolithic Denture, Crea.lign veneering system (Bredent, GmbH & Co.KG) was used to obtain pink gingiva on the cameo surface
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