Journal article
Effects of Composites Containing Bioactive Glasses on Demineralized Dentin
Journal of dental research, Vol.96(9), pp.999-1005
08/01/2017
DOI: 10.1177/0022034517709464
PMID: 28535357
Abstract
The aim of this study was to evaluate the degradation of completely demineralized dentin specimens in contact with a filler-free or 2 ion-releasing resins containing micrometer-sized particles of Bioglass 45S5 (BAG) or fluoride-containing phosphate-rich bioactive glass (BAG-F). Fourier transform infrared spectroscopy (FTIR) and scanning electron microscopy (SEM) were also used to evaluate the remineralization induced by the experimental ion-releasing resin-based materials. Dentin beams were totally demineralized in H3PO4 (10%) and placed in direct contact with a filler-free (RESIN) or 2 experimental ion-releasing resins (BAG or BAG-F) and immersed in artificial saliva (AS) up to 30 d. Further specimens were also processed and submitted to FTIR and SEM analysis to evaluate the remineralization induced by such ion-releasing resins before and after AS immersion. BAG and BAG-F alkalinized the incubation media. A significant decrease of the dry mass was observed between the specimens of all groups stored for 3 and 30 d in AS. However, the fluoride-containing phosphate-rich bioactive glass incorporated into a resin-based material (BAG-F) showed greater ability in reducing the solubilization of C-terminal cross-linked telopeptide (ICTP) and C-terminal telopeptide (CTX) after prolonged AS storage. Moreover, after 30 d of AS storage, BAG-F showed the greatest remineralizing effect on the stiffness of the completely demineralized dentin matrices. In conclusion, fluoride-containing phosphate-rich bioactive glass incorporated as micrometer-sized filler in dental composites may offer greater beneficial effects than Bioglass 45S5 in reducing the enzyme-mediated degradation and remineralization of demineralized dentin.
Details
- Title: Subtitle
- Effects of Composites Containing Bioactive Glasses on Demineralized Dentin
- Creators
- A. Tezvergil-Mutluay - University of TurkuR. Seseogullari-Dirihan - Turku University HospitalV. P. Feitosa - Paulo Picanco Sch Dent, Res Div, Fortaleza, Ceara, BrazilG. Cama - Ghent UniversityD. S. Brauer - SchottS. Sauro - Universidad Cardenal Herrera CEU
- Resource Type
- Journal article
- Publication Details
- Journal of dental research, Vol.96(9), pp.999-1005
- Publisher
- Sage
- DOI
- 10.1177/0022034517709464
- PMID
- 28535357
- ISSN
- 0022-0345
- eISSN
- 1544-0591
- Number of pages
- 7
- Grant note
- Turku University Hospital 8126472 / Academy of Finland; Research Council of Finland INDI16/34; INDI1527B; CEU-UCH 2014-2017 / Programa de Consolidacion de Indica-dores: Fomento Plan Estatal
- Language
- English
- Date published
- 08/01/2017
- Academic Unit
- Operative Dentistry
- Record Identifier
- 9984655346902771
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