Study of the chemical interaction between a high-viscosity glass ionomer cement and dentin

Journal of Applied Oral Science : Revista FOB
Shelyn Akari YamakamiMauro Luciano Baesso

Abstract

To investigate the chemical interactions between a high-viscosity glass ionomer cement (GIC) (KetacTM Molar Easymix, 3M ESPE, Seefeld, Bavaria, Germany) and human dentin. It was also analyzed the dynamics of GIC setting mechanism based on the time intervals required for the GIC and the GIC mixed with dentin to achieve stability. Each constituent of GIC - powder (P) and liquid (L) - and powdered dentin (D), as well as the associations P+L, D+L, and P+L+D in the concentrations of 29%, 50%, 65%, 78%, 82%, and 92% of GIC were analyzed with Fourier transform infrared (FTIR) and Raman spectroscopy. New optical absorption bands and/or Raman bands, which were not present in P, L, or D, were observed in the associations. The concentrations of 29% and 50% of GIC showed higher interaction, revealing that the amount of dentin influences the formation of new optical absorption or scattering bands. FTIR bands showed that the setting time to achieve bond stability was longer for the high-viscosity GIC (38±7 min) than for the sample with 29% of GIC (28±4 min). The analysis revealed the formation of new compounds or molecular rearrangements resulting from the chemical interactions between GIC and dentin. Moreover, this study provides an effecti...Continue Reading

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Citations

Aug 8, 2018·Acta Biomaterialia Odontologica Scandinavica·John W Nicholson
May 27, 2020·International Journal of Biomaterials·Reham M AbdallahNeven S Aref
Jun 4, 2020·Materials·John W NicholsonBeata Czarnecka
Jun 25, 2020·Brazilian Oral Research·Rafael Menezes-SilvaRenata Corrêa Pascotto
Nov 15, 2020·Journal of Esthetic and Restorative Dentistry : Official Publication of the American Academy of Esthetic Dentistry ... [et Al.]·Joana Yumi Teruya UchimuraRenata Corrêa Pascotto
Apr 16, 2021·Biomaterial Investigations in Dentistry·Fernanda M TsuzukiMauro L Baesso
Aug 31, 2021·Dental Materials : Official Publication of the Academy of Dental Materials·Julia FehrenbachEliseu Aldrighi Münchow

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Methods Mentioned

BETA
Infrared
X-ray
Infrared Spectroscopy

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