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- Title
Performance Assessment of Three Similar Dental Restorative Composite Materials via Raman Spectroscopy Supported by Complementary Methods Such as Hardness and Density Measurements.
- Authors
Iordache, Stefan-Marian; Iordache, Ana-Maria; Gatin, Dina Ilinca; Grigorescu, Cristiana Eugenia Ana; Ilici, Roxana Romanita; Luculescu, Catalin-Romeo; Gatin, Eduard
- Abstract
(1) Background: A widespread problem in oral health is cavities produced by cariogenic bacteria that consume fermentable carbohydrates and lower pH to 5.5–6.5, thus extracting Ca2+ and phosphate ions (PO43−) from teeth. Dental restorative materials based on polymers are used to fill the gaps in damaged teeth, but their properties are different from those of dental enamel. Therefore, a question is raised about the similarity between dental composites and natural teeth in terms of density and hardness. (2) Methods: We have used Raman spectroscopy and density and microhardness measurements to compare physical characteristics of several restorative dental composites at different polymerization intervals. (3) Results: XRVHerculite®, Optishade®, and VertiseFlow® showed the very different characteristics of the physical properties following four polymerization intervals. Of the three composites, OptiShade showed the highest polymerization rate. (4) Conclusions: Only fully polymerized composites can be used in teeth restoring, because incomplete polymerization would result in cracks, pitting, and lead finally to failure.
- Subjects
CARIOGENIC agents; RAMAN spectroscopy; COMPOSITE materials; DENTAL materials; DENTAL enamel; DENSITY; PHYSICAL measurements; MICROHARDNESS; HARDNESS
- Publication
Polymers (20734360), 2024, Vol 16, Issue 4, p466
- ISSN
2073-4360
- Publication type
Article
- DOI
10.3390/polym16040466