In-depth Polymerization of Dual-cured Resin Cement Assessed by Hardness-Reference-Cited by-同舟云学术

In-depth Polymerization of Dual-cured Resin Cement Assessed by Hardness

Published:2008-01-14 Issue:1 Volume:23 Page:85-96
ISSN:0885-3282
Container-title:Journal of Biomaterials Applications
language:en
Short-container-title:J Biomater Appl

Author:

Reges Rogério V.¹,Moraes Rafael R.¹,Correr Américo B.¹,Sinhoreti Mário A.C.¹,Correr-Sobrinho Lourenço²,Piva Evandro³,Nouer Paulo R.A.⁴

Affiliation:

1. Department of Restorative Dentistry, Dental Materials Division Piracicaba Dental School, State University of Campinas Av. Limeira, 901 - 13414-903 - Piracicaba, SP, Brazil

2. Department of Restorative Dentistry, Dental Materials Division Piracicaba Dental School, State University of Campinas Av. Limeira, 901 - 13414-903 - Piracicaba, SP, Brazil,

3. Department of Restorative Dentistry, School of Dentistry Federal University of Pelotas R. Gonçalves Chaves 457 - 96015-560 - Pelotas, RS, Brazil

4. Department of Orthodontics School of Dentistry São Leopoldo Mandic R. José Rocha Junqueira 13 - 13045-755 - Campinas, SP, Brazil

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.

Publisher

SAGE Publications

Subject

Biomedical Engineering,Biomaterials

Link

http://journals.sagepub.com/doi/pdf/10.1177/0885328207086316

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