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Curing Effectiveness of a Light Emitting Diode on Dentin Bonding Agents

Cited 20 time in Web of Science Cited 20 time in Scopus
Authors
Kim, Sun-Young; Lee, In-Bog; Cho, Byeong-Hoon; Son, Ho-Hyun; Um, Chung-Moon
Issue Date
2006
Publisher
Wiley-Blackwell
Citation
J Biomed Mater Res Part B:Appl Biomater 2006;77B: 164–170
Keywords
LEDhalogendentin bonding agentspectral irradiancedentin shear bond strength
Abstract
This study tested the hypothesis that dentin bonding agents (DBAs) cured with a
light emitting diode (LED) light curing unit (LCU) would not show a statistically significant
different dentin shear bond strength (DSBS) relative to a halogen LCU, when the LED and
halogen LCUs had a supposedly similar irradiance. Five commercial DBAs were tested:
ScotchBond Multipurpose, Single Bond, One Step, Clearfil SE Bond, and Adper Prompt. The
LCUs used in this study were a VIP (Bisco) for the halogen light and an Elipar FreeLight (3M
ESPE) for the LED. First, the emission spectrum and spectral irradiance of both LCUs were
investigated. Next, the DSBS of the DBAs cured with each LCU was measured. Two-way
analysis of variance was used to analyze whether there were differences in DSBS resulting
from the type of LCU and DBA used. The halogen LCU showed a higher total irradiance value
relative to the LED LCU, but the difference of spectral irradiance was reduced in the efficient
wavelength ranges for camphoroquinone activation. Although the DBAs cured with both types
of LCUs showed similar DSBS values, Clearfil SE Bond showed the highest DSBS value when
cured with a halogen light. Therefore, the null hypothesis of this study was rejected, indicating
that the curing effectiveness of the LED LCU on some DBAs can be lower than that of a
halogen LCU in terms of bond strength.
ISSN
1552-4973
Language
English
URI
https://hdl.handle.net/10371/66625
DOI
https://doi.org/10.1002/jbm.b.30426
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College of Dentistry/School of Dentistry (치과대학/치의학대학원)Dept. of Dentistry (치의학과)Journal Papers (저널논문_치의학과)
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