Back to Browse Journals » International Journal of Nanomedicine » Volume 9 » Issue 1

Structure–property relationships in hybrid dental nanocomposite resins containing monofunctional and multifunctional polyhedral oligomeric silsesquioxanes

Authors Wang WG, Sun X, Huang L, Gao Y, Ban JH, Shen LJ, Chen JH

Received 16 October 2013

Accepted for publication 28 November 2013

Published 10 February 2014 Volume 2014:9(1) Pages 841—852


Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 3

Weiguo Wang,1,* Xiang Sun,1,* Li Huang,2,* Yu Gao,1 Jinghao Ban,1 Lijuan Shen,1 Jihua Chen1

1Department of Prosthodontics, 2Department of General Dentistry and Emergency, School of Stomatology, Fourth Military Medical University, Xi'an, People's Republic of China

*These authors contributed equally to this work

Abstract: Organic-inorganic hybrid materials, such as polyhedral oligomeric silsesquioxanes (POSS), have the potential to improve the mechanical properties of the methacrylate-based composites and resins used in dentistry. In this article, nanocomposites of methacryl isobutyl POSS (MI-POSS [bears only one methacrylate functional group]) and methacryl POSS (MA-POSS [bears eight methacrylate functional groups]) were investigated to determine the effect of structures on the properties of dental resin. The structures of the POSS-containing networks were determined by scanning electron microscopy, transmission electron microscopy, X-ray diffraction, and Fourier transform infrared spectroscopy. Monofunctional POSS showed a strong tendency toward aggregation and crystallization, while multifunctional POSS showed higher miscibility with the dimethacrylate monomer. The mechanical properties and wear resistance decreased with increasing amounts of MI-POSS, indicating that the MI-POSS agglomerates act as the mechanical weak point in the dental resins. The addition of small amounts of MA-POSS improved the mechanical and shrinkage properties. However, samples with a higher MA-POSS concentration showed lower flexural strength and flexural modulus, indicating that there is a limited range in which the reinforcement properties of MA-POSS can operate. This concentration dependence is attributed to phase separation at higher concentrations of POSS, which affects the structural integrity, and thus, the mechanical and shrinkage properties of the dental resin. Our results show that resin with 3% MA-POSS is a potential candidate for resin-based dental materials.

Keywords: POSS, methacrylate monomer, dental resin, hybrid material, nanocomposite

Creative Commons License This work is published and licensed by Dove Medical Press Limited. The full terms of this license are available at and incorporate the Creative Commons Attribution - Non Commercial (unported, v3.0) License. By accessing the work you hereby accept the Terms. Non-commercial uses of the work are permitted without any further permission from Dove Medical Press Limited, provided the work is properly attributed. For permission for commercial use of this work, please see paragraphs 4.2 and 5 of our Terms.

Download Article [PDF] View Full Text [HTML] 


Readers of this article also read:

Safety assessment of silica and zinc oxide nanoparticles

An SSA, Kim MK

International Journal of Nanomedicine 2014, 9:1-2

Published Date: 15 December 2014

Probing the mechanical properties of TNF-α stimulated endothelial cell with atomic force microscopy [Corrigendum]

Lee SY, Zaske AM, Novellino T, Danila D, Ferrari M, Conyers J, Decuzzi P

International Journal of Nanomedicine 2014, 9:2567-2568

Published Date: 23 May 2014

Bone plate composed of a ternary nano-hydroxyapatite/polyamide 66/glass fiber composite: biomechanical properties and biocompatibility

Qiao B, Li JD, Zhu QM, Guo SQ, Qi XT, Li WC, Wu J, Liu Y, Jiang DM

International Journal of Nanomedicine 2014, 9:1423-1432

Published Date: 17 March 2014

Reliable intraocular pressure measurement using automated radio-wave telemetry

Paschalis EI, Cade F, Melki S, Pasquale LR, Dohlman CH, Ciolino JB

Clinical Ophthalmology 2014, 8:177-185

Published Date: 7 January 2014

Nanoemulsions coated with alginate/chitosan as oral insulin delivery systems: preparation, characterization, and hypoglycemic effect in rats

Li X, Qi J, Xie Y, Zhang X, Hu S, Xu Y, Lu Y, Wu W

International Journal of Nanomedicine 2013, 8:23-32

Published Date: 28 December 2012

Electrospun PGA/gelatin nanofibrous scaffolds and their potential application in vascular tissue engineering

Hajiali H, Shahgasempour S, Naimi-Jamal MR, Peirovi H

International Journal of Nanomedicine 2011, 6:2133-2141

Published Date: 27 September 2011

Tetracaine 0.5% eyedrops with or without lidocaine 2% gel in topical anesthesia for cataract surgery

Anthoula T Tsoumani, Ioannis C Asproudis, Dimitrios Damigos

Clinical Ophthalmology 2010, 4:967-970

Published Date: 24 August 2010