Janus Nanoparticles for Improved Dentin Bonding

ACS Applied Materials & Interfaces
Bing HanZhenzhong Yang

Abstract

The amphiphilic monomer 2-hydroxyethyl methacrylate (HEMA) is widely used in dental adhesives as a priming component, especially for dentin bonding. It behaves as a compatibilizer between hydrophilic and hydrophobic components and stabilizes the multicomponent adhesive system. However, there are several drawbacks associated with using HEMA, such as water retention within the adhesive layer, hydrolysis in oral environments, and cytotoxicity. These drawbacks lead to the failure of tooth restoration and represent a heavy medical burden. Thus, it is imperative to find a new compatibilizer to substitute for HEMA. Because of their superior compatibilization capabilities as functional solid surfactants, amphiphilic Janus particles are chosen as candidates for an alternative to HEMA in dental adhesives. Reactive amphiphilic Janus nanoparticles are synthesized by selectively etching and modifying at the interface of a Pickering emulsion. This approach could be extended to the synthesis of a series of other Janus nanoparticles. The Janus nanoparticles were verified to be better for the reduction of the phase separation and stabilization of dentin adhesives than HEMA. It is also demonstrated that these reactive Janus nanoparticles can str...Continue Reading

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Citations

Nov 29, 2020·Journal of Materials Science. Materials in Medicine·Wu-Ya ChenDahong Huang
Mar 20, 2021·ACS Nano·Xuan ZhangHuanghao Yang
Feb 5, 2019·ACS Applied Materials & Interfaces·Alina KirillovaAlla Synytska
Sep 27, 2018·ACS Applied Materials & Interfaces·Bingyun YanShaobing Zhou

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