Wear of Resin Composites Polymerized by Conventional Halogen Light Curing and Light Emitting Diodes Curing Units

Hwan Kim; Sung Ho Park; I.Y. Jung; S.B. Jeon; Kwon Yong Lee

doi:10.4028/www.scientific.net/KEM.288-289.645

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 288-289Wear of Resin Composites Polymerized by...

Wear of Resin Composites Polymerized by Conventional Halogen Light Curing and Light Emitting Diodes Curing Units

Abstract:

In this study, the wear characteristics of five different dental composite resins cured by conventional halogen light and LED light sources were investigated. Five different dental composite resins of Surefil, Z100, Dyract AP, Fuji II LC and Compoglass were worn against a zirconia ceramic ball using a pin-on-disk type wear tester with 15 N contact force in a reciprocal sliding motion of sliding distance of 10 mm/cycle at 1Hz under the room temperature dry condition. The wear variations of dental composite resins were linearly increased as the number of cycles increased. It was observed that the wear resistances of these specimens were in the order of Dyract AP > Surefil > Compoglass > Z100 > Fuji ı LC. On the morphological observations by SEM, the large crack formation on the sliding track of Fuji ıLC specimen was the greatest among all resin composites. Dyract AP showed less wear with few surface damage. There is no significant difference in wear performance between conventional halogen light curing and light emitting diodes curing sources. It indicates that a light emitting diodes (LED) source can replace a halogen light source as curing unit for composite resin restorations.

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Periodical:

Key Engineering Materials (Volumes 288-289)

Pages:

645-648

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.288-289.645

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Online since:

June 2005

Authors:

Hwan Kim, Sung Ho Park, I.Y. Jung, S.B. Jeon, Kwon Yong Lee

Keywords:

Dental Composite Reins, Halogen Light Curing, Light Emitting Diodes Curing, Wear

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