PMID: 16521388Mar 9, 2006Paper

Light-emitting diode curing light irradiance and polymerization of resin-based composite

The Journal of the American Dental Association
Krishna AravamudhanP L Fan

Abstract

Light-emitting diode (LED) curing lights are becoming popular; however, questions about their efficiency remain. The authors performed a comprehensive analysis of the properties of resin-based composites cured with LED lights. The authors evaluated seven LED lights and one quartz-tungsten-halogen light (control). They measured intensity, depth of cure (DOC), degree of conversion (DC), hardness and temperature rise. They used three shades of a hybrid resin-based composite and a microfill composite, as well as one shade of another hybrid composite. Two LED lights required additional cure time to reach a DOC similar to that of the control light. DC at the top of the samples was independent of the light used. At 2.0 millimeters, the DC for several LED lights was significantly lower than that for the control light and was correlated strongly to the light's intensity. The bottom-to-top ratio for hardness of resin-based composites cured by all but one light was greater than 0.80. All LED lights except one had smaller temperature rise than did the control light. Six of the seven LED curing lights performed similarly to a quartz-tungsten-halogen curing light in curing resin-based composites. Clinical Implications. While LED curing light...Continue Reading

Citations

Feb 3, 2012·Journal of Investigative and Clinical Dentistry·Tae-Yub KwonMichael F Burrow
Jun 7, 2013·Journal of Applied Oral Science : Revista FOB·Nicola ScottiElio Berutti
Mar 24, 2016·Journal of Occupational and Environmental Hygiene·Richard B T PriceHoward E Strassler
May 29, 2008·Operative Dentistry·Murray BouschlicherFang Qian
Feb 27, 2008·International Journal of Paediatric Dentistry·Kusai BaroudiDavid C Watts
Oct 4, 2013·Dental Materials Journal·Sang-Kyu LeeYong Hoon Kwon
Jul 15, 2015·Journal of Dental Research·R B PriceA C Shortall
Jan 15, 2011·Clinical Oral Investigations·Adam RenczNicoleta Ilie
May 20, 2016·BioMed Research International·E ArmellinL Cerroni
Jun 1, 2011·Journal of Applied Oral Science : Revista FOB·Patricia Aleixo dos Santos DomingosRegina Guenka Palma-Dibb
Oct 2, 2008·Primary Dental Care : Journal of the Faculty of General Dental Practitioners (UK)·Stephen M Dunne, Brian J Millar
Jun 15, 2013·Dental Materials : Official Publication of the Academy of Dental Materials·Hilde M KopperudHåvard J Haugen

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