Addition of platinum and silver nanoparticles to toughen dental porcelain

Tokushi FUJIEDA, Mitsunori UNO, Hajime ISHIGAMI, Masakazu KURACHI, Nobukazu WAKAMATSU, Yutaka DOI
2012 Dental materials journal  
Several studies have investigated toughening porcelain that is layered over a frame or a core. The introduction of residual compressive stress to the surface of porcelain has been shown to be effective to strengthen it. In the present study, nanoparticles of precious metals of silver and platinum (rather than non-precious metals) were used to evaluate if they could increase the fracture resistance of porcelain. The addition of silver and platinum nanoparticles was found to improve the
more » ... prove the mechanical properties of porcelain since it increased both the Young's modulus and the fracture toughness of commercial porcelain.
doi:10.4012/dmj.2012-044 fatcat:cdok3kf7s5c4thvaura667w3ue