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https://doi.org/10.37358/Rev.Chim.1949

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Revista de Chimie (Rev. Chim.), Year 2017, Volume 68, Issue 11, 2623-2627

https://doi.org/10.37358/RC.17.11.5942

Cristina Angela Ghiorghe, Gianina Iovan, Vlad Carlescu, Bogdan Istrate, Galina Pancu, Sorin Andrian

Comparative Evaluation of Hardness and Elasticity Modulusof Tooth-Colored Materials for Dental Restoration

Abstract:

The aim of this study was to compare Rockwell hardness (HRC) and modulus of elasticity (Young modulus) to different restorative materials. Three commercial composite resins: Filtek Z250 (3M ESPE Co.), Zmack Comp (Zermack SpA, Italy), Kalore (GC Corporation, Japan) and one compomer: Dyract eXtra (Dentsply De Trey Gmbh, Germany) were used. Six samples of each material were obtained by placing them in plastic rings having 5 mm inner diameter and 6 mm high. All composite samples were cured for 40 s using a lamp LEDidition - Ivoclaire Vivadent clinical, Austria. The samples were finished and polished and then stored in distilled water, at room temperature for 48 hours. Rockwell Hardness (HRC) measurements were realized using the UMT-2 Tribometer (CETR). The hardness was automatically calculated from the slope of unloading curve and expressed in GPa and transformed in HRC values (kgf/mm2). Six indentations were performed on diametral direction and mean values were calculated for all tested samples. The device also measured the modulus of elasticity for each sample. Data were analyzed by ANOVA and Mann-Whitney test (significance level of p [ 0.05). The mean HRC values were the following: Filtek Z250 ] Zmack Comp ] Dyract eXtra ] Kalore (82.98 ] 70.10 ] 53.27 ] 37.72 kg/mm2). Regarding Young modulus, the rank from highest to lowest as follows: FiltekZ250 ] Zmack Comp ] Dyract eXtra ] Kalore (16.24 ] 14.05 ] 12.41 ] 7.86). The microhydrid composite resins have a significantly higher hardness than nano-hybrid composites or compomers.
Keywords:
Rockwell hardness; Young modulus; Mann-Whitney test; resin composite; compomer

Issue: 2017, Volume 68, Issue 11
Pages: 2623-2627
Publication date: 2017/12/15
https://doi.org/10.37358/RC.17.11.5942
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Creative Commons License
This article is published under the Creative Commons Attribution 4.0 International License
Citation Styles
Cite this article as:
GHIORGHE, C.A., IOVAN, G., CARLESCU, V., ISTRATE, B., PANCU, G., ANDRIAN, S., Comparative Evaluation of Hardness and Elasticity Modulusof Tooth-Colored Materials for Dental Restoration, Rev. Chim., 68(11), 2017, 2623-2627.

Vancouver
Ghiorghe CA, Iovan G, Carlescu V, Istrate B, Pancu G, Andrian S. Comparative Evaluation of Hardness and Elasticity Modulusof Tooth-Colored Materials for Dental Restoration. Rev. Chim.[internet]. 2017 Nov;68(11):2623-2627. Available from: https://doi.org/10.37358/RC.17.11.5942


APA 6th edition
Ghiorghe, C.A., Iovan, G., Carlescu, V., Istrate, B., Pancu, G. & Andrian, S. (2017). Comparative Evaluation of Hardness and Elasticity Modulusof Tooth-Colored Materials for Dental Restoration. Revista de Chimie, 68(11), 2623-2627. https://doi.org/10.37358/RC.17.11.5942


Harvard
Ghiorghe, C.A., Iovan, G., Carlescu, V., Istrate, B., Pancu, G., Andrian, S. (2017). 'Comparative Evaluation of Hardness and Elasticity Modulusof Tooth-Colored Materials for Dental Restoration', Revista de Chimie, 68(11), pp. 2623-2627. https://doi.org/10.37358/RC.17.11.5942


IEEE
C.A. Ghiorghe, G. Iovan, V. Carlescu, B. Istrate, G. Pancu, S. Andrian, "Comparative Evaluation of Hardness and Elasticity Modulusof Tooth-Colored Materials for Dental Restoration". Revista de Chimie, vol. 68, no. 11, pp. 2623-2627, 2017. [online]. https://doi.org/10.37358/RC.17.11.5942


Text
Cristina Angela Ghiorghe, Gianina Iovan, Vlad Carlescu, Bogdan Istrate, Galina Pancu, Sorin Andrian,
Comparative Evaluation of Hardness and Elasticity Modulusof Tooth-Colored Materials for Dental Restoration,
Revista de Chimie,
Volume 68, Issue 11,
2017,
Pages 2623-2627,
ISSN 2668-8212,
https://doi.org/10.37358/RC.17.11.5942.
(https://revistadechimie.ro/Articles.asp?ID=5942)
Keywords: Rockwell hardness; Young modulus; Mann-Whitney test; resin composite; compomer


RIS
TY - JOUR
T1 - Comparative Evaluation of Hardness and Elasticity Modulusof Tooth-Colored Materials for Dental Restoration
A1 - Ghiorghe, Cristina Angela
A2 - Iovan, Gianina
A3 - Carlescu, Vlad
A4 - Istrate, Bogdan
A5 - Pancu, Galina
A6 - Andrian, Sorin
JF - Revista de Chimie
JO - Rev. Chim.
PB - Revista de Chimie SRL
SN - 2668-8212
Y1 - 2017
VL - 68
IS - 11
SP - 2623
EP - 2627
UR - https://doi.org/10.37358/RC.17.11.5942
KW - Rockwell hardness
KW - Young modulus
KW - Mann-Whitney test
KW - resin composite
KW - compomer
ER -


BibTex
@article{RevCh2017P2623,
author = {Ghiorghe Cristina Angela and Iovan Gianina and Carlescu Vlad and Istrate Bogdan and Pancu Galina and Andrian Sorin},
title = {Comparative Evaluation of Hardness and Elasticity Modulusof Tooth-Colored Materials for Dental Restoration},
journal = {Revista de Chimie},
volume = {68},
number = {11},
pages = {2623-2627},
year = {2017},
issn = {2668-8212},
doi = {https://doi.org/10.37358/RC.17.11.5942},
url = {https://revistadechimie.ro/Articles.asp?ID=5942}
}
 
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