Document Detail


The effect of curing light and chemical catalyst on the degree of conversion of two dual cured resin luting cements.
MedLine Citation:
PMID:  21104286     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
The aim of this study was to evaluate the influence of different curing lights and chemical catalysts on the degree of conversion of resin luting cements. A total of 60 disk-shaped specimens of RelyX ARC or Panavia F of diameter 5 mm and thickness 0.5 mm were prepared and the respective chemical catalyst (Scotchbond Multi-Purpose Plus or ED Primer) was added. The specimens were light-cured using different curing units (an argon ion laser, an LED or a quartz-tungsten-halogen light) through shade A2 composite disks of diameter 10 mm and thickness 2 mm. After 24 h of dry storage at 37°C, the degree of conversion of the resin luting cements was measured by Fourier-transformed infrared spectroscopy. For statistical analysis, ANOVA and the Tukey test were used, with p ≤ 0.05. Panavia F when used without catalyst and cured using the LED or the argon ion laser showed degree of conversion values significantly lower than RelyX ARC, with and without catalyst, and cured with any of the light sources. Therefore, the degree of conversion of Panavia F with ED Primer cured with the quartz-tungsten-halogen light was significantly different from that of RelyX ARC regardless of the use of the chemical catalyst and light curing source. In conclusion, RelyX ARC can be cured satisfactorily with the argon ion laser, LED or quartz-tungsten-halogen light with or without a chemical catalyst. To obtain a satisfactory degree of conversion, Panavia F luting cement should be used with ED Primer and cured with halogen light.
Authors:
Eduardo José Souza-Junior; Lúcia Trazzi Prieto; Giulliana Panfiglio Soares; Carlos Tadeu Dos Santos Dias; Flávio Henrique Baggio Aguiar; Luís Alexandre Maffei Sartini Paulillo
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Publication Detail:
Type:  Journal Article     Date:  2010-11-23
Journal Detail:
Title:  Lasers in medical science     Volume:  27     ISSN:  1435-604X     ISO Abbreviation:  Lasers Med Sci     Publication Date:  2012 Jan 
Date Detail:
Created Date:  2012-01-11     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8611515     Medline TA:  Lasers Med Sci     Country:  England    
Other Details:
Languages:  eng     Pagination:  145-51     Citation Subset:  IM    
Affiliation:
Piracicaba Dental School, Department of Restorative Dentistry, University of Campinas - UNICAMP, P.O. Box 52, Avenida Limeira, 901, Areião, 13414-903, Piracicaba, SP, Brazil, edujcsj@gmail.com.
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