Compressive strength and surface characterization of glass ionomer cements modified by particles of bioactive glass
- PMID: 15705426
- DOI: 10.1016/j.dental.2004.03.006
Compressive strength and surface characterization of glass ionomer cements modified by particles of bioactive glass
Abstract
Objectives: The aim of this study was to determine compressive strength, Young's modulus of elasticity, and Vickers' surface hardness, of conventional cure and resin-modified glass ionomer cements after the addition of bioactive glass (BAG) particles into the cements.
Methods: Experimental glass ionomer cement (GIC)-BAG materials were made by mixing 10- or 30-wt% of BAG particles with conventional cure and resin-modified GIC powders. Materials were processed into cylindrical specimens and immersed in water for 1, 3, 7, 14, 30 and 180 days before mechanical tests. SEM and EDS analysis was used to characterize the changes in surface topography and the main elemental composition.
Results: The compressive strength of the test specimens decreased with the increasing amount of BAG. The compressive strength of resin-modified GIC increased during the immersion, but remained at a lower level than that of the other materials. The conventional cure GIC-based materials had on average 55% higher surface microhardness than the resin-modified materials. In the elemental composition, more Ca was detected in the BAG-containing materials than in the pure GICs. The amount of F was significantly higher (p < 0.001) on all resin-modified materials, being highest on resin-modified GIC with 30-wt% of BAG after 180d of immersion.
Significance: The addition of BAG to GIC compromises the mechanical properties of the materials to some extent. Thus, their clinical use ought to be restricted to applications where their bioactivity can be beneficial, such as root surface fillings and liners in dentistry, and where high compressive strength is not necessarily needed.
Similar articles
-
Compound changes and tooth mineralization effects of glass ionomer cements containing bioactive glass (S53P4), an in vivo study.Biomaterials. 2005 Oct;26(30):5934-41. doi: 10.1016/j.biomaterials.2005.03.008. Epub 2005 Apr 20. Biomaterials. 2005. PMID: 15958240
-
Effects of incorporation of HA/ZrO(2) into glass ionomer cement (GIC).Biomaterials. 2005 Mar;26(7):713-20. doi: 10.1016/j.biomaterials.2004.03.019. Biomaterials. 2005. PMID: 15350775
-
Synthesis and characterization of a novel N-vinylcaprolactam-containing acrylic acid terpolymer for applications in glass-ionomer dental cements.Acta Biomater. 2009 Jul;5(6):2101-8. doi: 10.1016/j.actbio.2009.02.015. Epub 2009 Feb 20. Acta Biomater. 2009. PMID: 19289308
-
Comparative Evaluation of the Remineralizing Effects and Surface Micro hardness of Glass Ionomer Cements Containing Bioactive Glass (S53P4):An in vitro Study.Int J Clin Pediatr Dent. 2010 May-Aug;3(2):69-77. doi: 10.5005/jp-journals-10005-1057. Epub 2010 Aug 17. Int J Clin Pediatr Dent. 2010. PMID: 27507915 Free PMC article. Review.
-
Modifications in Glass Ionomer Cements: Nano-Sized Fillers and Bioactive Nanoceramics.Int J Mol Sci. 2016 Jul 14;17(7):1134. doi: 10.3390/ijms17071134. Int J Mol Sci. 2016. PMID: 27428956 Free PMC article. Review.
Cited by
-
Effect of Incorporating Date Seeds Microparticles on Compressive Strength and Microhardness of Conventional Glass Ionomer (an In VitroStudy).J Clin Exp Dent. 2024 Jul 1;16(7):e826-e835. doi: 10.4317/jced.61603. eCollection 2024 Jul. J Clin Exp Dent. 2024. PMID: 39219827 Free PMC article.
-
Acemannan-containing bioactive resin modified glass ionomer demonstrates satisfactory physical and biological properties.J Dent Sci. 2024 Apr;19(2):1061-1069. doi: 10.1016/j.jds.2023.06.009. Epub 2023 Jun 24. J Dent Sci. 2024. PMID: 38618108 Free PMC article.
-
Urchin-like multiscale structured fluorinated hydroxyapatite as versatile filler for caries restoration dental resin composites.Bioact Mater. 2024 Feb 19;35:477-494. doi: 10.1016/j.bioactmat.2024.02.004. eCollection 2024 May. Bioact Mater. 2024. PMID: 38404640 Free PMC article.
-
Evaluating Glass Ionomer Cement Longevity in the Primary and Permanent Teeth-An Umbrella Review.J Funct Biomater. 2024 Feb 19;15(2):48. doi: 10.3390/jfb15020048. J Funct Biomater. 2024. PMID: 38391901 Free PMC article. Review.
-
Applying the Alkali-Activation Method to Encapsulate Silicon Nitride Particles in a Bioactive Matrix for Augmented Strength and Bioactivity.Materials (Basel). 2024 Jan 9;17(2):328. doi: 10.3390/ma17020328. Materials (Basel). 2024. PMID: 38255496 Free PMC article.
Publication types
MeSH terms
Substances
LinkOut - more resources
Full Text Sources
Other Literature Sources