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- Title
In-depth Polymerization of Dual-cured Resin Cement Assessed by Hardness.
- Authors
Reges, Rogério V.; Moraes, Rafael R.; Correr, Américo B.; Sinhoreti, Mário A. C.; Correr-Sobrinho, Lourenço; Piva, Evandro; Nouer, Paulo R. A.
- 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 µm 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 µm is higher than at 700 µm. A linear relationship between hardness and depth is observed.
- Subjects
POLYMERIZATION; CHEMICAL reactions; DENTAL resins; DENTAL cements; HARDNESS
- Publication
Journal of Biomaterials Applications, 2008, Vol 23, Issue 1, p85
- ISSN
0885-3282
- Publication type
Article
- DOI
10.1177/0885328207086316