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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
materials science
The effect of different light curing units on vickers microhardness and degree of conversion of flowable resin composites
Dental Materials Journal, Volume 40, No. 1, Year 2021
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Description
This study aimed to assess the influence of different light curing units (LCUs) on the polymerization of various flowable resin composites. Three LCUs (Optilux 501, Elipar™ DeepCure-L LED and Bluephase®20i) and eight flowable resin composites: MI FIL Flow, Estelite Flow Quick, Estelite Universal Flow (medium), Estelite Universal Flow (super low), Beautifil Flow Plus, Clearfil Majesty ES Flow, Filtek Supreme Ultra flowable and TetricEvo Flow were tested. For Vickers microhardness (VHN) test and degree of conversion (DC), specimens were prepared and polymerized for 20 s. VHN test was performed at top surfaces (3 indentations) and DC for each specimen was measured using Fourier transform infrared (FT-IR) spectroscopy after 24 h dry storage in dark at 37˚C. The data were analyzed with 2-way ANOVA and t-test with Bonferroni correction. DC and hardness values showed a relationship between materials and LCUs. The curing efficacy of LCU type may depend on the material composition. © 2021, Japanese Society for Dental Materials and Devices. All rights reserved.
Authors & Co-Authors
Takagaki, Tomohiro
Japan, Tokyo
Tokyo Medical and Dental University
Japan, Gifu
Asahi University
Ikeda, Masaomi
Japan, Tokyo
Tokyo Medical and Dental University
Nozaki, Kosuke
Japan, Tokyo
Tokyo Medical and Dental University
Burrow, Michael Francis
Hong Kong, Hong Kong
The University of Hong Kong
Abdou, Ahmed M.A.
Japan, Tokyo
Tokyo Medical and Dental University
Nikaido, Toru
Japan, Tokyo
Tokyo Medical and Dental University
Japan, Gifu
Asahi University
Tagami, Junji
Japan, Tokyo
Tokyo Medical and Dental University
Statistics
Citations: 9
Authors: 7
Affiliations: 3
Identifiers
Doi:
10.4012/dmj.2019-353
ISSN:
02874547
Research Areas
Health System And Policy