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M. CONSTANTINIUC1, M. MURESAN POP2, M. POTARA2, M. TODICA3,* , A. ISPAS1,* , M. E. BARBINTA-PATRASCU4, D. POPA1
- “Iuliu Haţieganu” University of Medicine and Pharmacy, Cluj-Napoca, Romania, 32, Clinicilor Street, RO-40047 Cluj-Napoca, Romania
- Nanostructured Materials and Bio-Nano-Interface Center, Interdisciplinary Research Institute on Bio-Nano-Sciences, Babes-Bolyai University, RO-400271 Cluj-Napoca, Romania
- Faculty of Physics, “Babes-Bolyai” University, 1 Kogalniceanu Street, RO-40047 Cluj-Napoca, Romania
- University of Bucharest, Faculty of Physics, 405 Atomistilor Street, PO Box MG-11, Bucharest-Magurele, 077125, Romania
This work aims to investigate the structural stability of a photopolymerizable composite resin when subjected to the aggressive action of some substances, possible occurring in the oral cavity when drinking, regurgitating, or in gastroesophageal reflux disease. The material stability was assessed by XRD and Raman spectroscopy in two situations (in the warranty period specified by the manufacturer, and after this period) by immersing for different time intervals in some acidic media. A modification of the structural composition was observed after hydrochloric acid treatment..
Photopolymerizable composite resin, Structural stability, Structural and spectral investigation.
Submitted at: Nov. 14, 2019
Accepted at: Dec. 10, 2019
M. CONSTANTINIUC, M. MURESAN POP, M. POTARA, M. TODICA, A. ISPAS, M. E. BARBINTA-PATRASCU, D. POPA, Spectral investigation of the stability of a photopolymerizable composite material, Journal of Optoelectronics and Advanced Materials Vol. 21, Iss. 11-12, pp. 740-745 (2019)