Article (Scientific journals)
Comparison of microleakage of photo-cured composites using three different light sources: halogen lamp, LED and argon laser: an in vitro study
Tielemans, M.; Compère, Philippe; Geerts, Sabine et al.
2009In Lasers in Medical Science, 24 (1), p. 1-5
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Keywords :
Argon laser; LED; Halogen lamp; Composites; Polymerization; Microleakage
Abstract :
[en] In this study, we compared the microleakage of composite fillings cured with halogen bulb, LED and argon ion laser (488 nm). Twenty-four extracted human molars were divided randomly in three groups. Six cavities were prepared on the coronal part of each tooth. Standard cavities (1.7 x 2 mm) were prepared. Cavities were acid etched, sealed with Scotch Bond 1 and filled by a hybrid composite. Cavities were exposed to one light source, thermocycled and immersed in a 2% methylene blue dye solution. Dye penetration in the leakage of cavities was recorded using a digital optical microscope. Mean values of percentage of dye penetrations in microleakages of cavities were 49.303 +/- 5.178% for cavities cured with LED, 44.486 +/- 6.075% with halogen bulb and 36.647 +/- 5.936% for those cured by argon laser. Statistically significant difference exists between cavities cured by halogen vs LED (P < 0.01), halogen vs laser (P < 0.001) and LED vs laser (P < 0.001). The lowest microleakage was observed in the cavities and composites cured with argon ion laser.
Disciplines :
Dentistry & oral medicine
Author, co-author :
Tielemans, M.
Compère, Philippe ;  Université de Liège - ULiège > Département des sciences et gestion de l'environnement > Département des sciences et gestion de l'environnement
Geerts, Sabine ;  Université de Liège - ULiège > Département de science dentaire > Dentisterie conservatrice de l'adulte - Occlusodontie
Lamy, Marc ;  Université de Liège - ULiège > Département de science dentaire > Prothèse amovible - Diagnostic oral
Limme, Michel ;  Université de Liège - ULiège > Département de science dentaire > Orthodontie et pédodontie
De Moore, R. J. G.
Delmé, K. I. M.
Bertrand, M. F.
Rompen, Eric ;  Centre Hospitalier Universitaire de Liège - CHU > Médecine dentaire
Namour, Samir  ;  Université de Liège > Département de sciences dentaires > Département de sciences dentaires
Language :
English
Title :
Comparison of microleakage of photo-cured composites using three different light sources: halogen lamp, LED and argon laser: an in vitro study
Publication date :
January 2009
Journal title :
Lasers in Medical Science
ISSN :
0268-8921
eISSN :
1435-604X
Publisher :
W.B. Saunders, London, United Kingdom
Volume :
24
Issue :
1
Pages :
1-5
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 09 April 2009

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