In-depth polymerization of dual-cured resin cement assessed by hardness

Journal of Biomaterials Applications
Rogério V RegesPaulo R A Nouer

Abstract

This study investigates the in-depth polymerization of dual-cured resin cement (Enforce; Dentsply, shades A2, B1, and opaque). Cylindrical specimens are obtained by photo-activation through ceramic. Control samples are light-cured without using ceramic. Samples are tested after 15 min or 24 h. Knoop hardness readings are made at 100, 300, 500, and 700 microm depth. Hardness is generally dependent on the mode of activation and post-cure time. Shades A2 and B1 show higher hardness values than opaque resin. Hardness at 100 microm is higher than at 700 microm. A linear relationship between hardness and depth is observed.

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Citations

Dec 15, 2011·Operative Dentistry·R M Puppin-RontaniF M Pascon
Feb 11, 2012·Medicina oral, patología oral y cirugía bucal·Valeria VignoloLaura Ceballos
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Aug 3, 2021·Journal of Materials Science. Materials in Medicine·Lincoln Pires Silva BorgesAna Rosa Costa

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