Elution of TEGDMA and BisGMA from a resin and a resin composite cured with halogen or plasma light.

Abstract:

:Plasma arc light units for curing resin composites have been introduced with the claim of relatively short curing times. The purpose of the present study was to measure and compare elution of monomers from an experimental BisGMA-TEGDMA resin and a commercial resin composite when cured with a halogen unit and when cured with a plasma arc unit. Specimens of the materials were immersed in methanol, and the amounts of monomers released with time were analyzed by HPLC. By use of Fick's laws of diffusion, the amount of eluted monomers from the specimen at infinity was estimated. The elution from resin specimens and from resin composite specimens cured with the plasma arc light unit was 7 and 4 times higher, respectively, compared to the elution from specimens cured with the halogen unit. It was concluded that the plasma arc light curing unit did not provide optimal cure when used as recommended by the manufacturer.

journal_name

Eur J Oral Sci

authors

Munksgaard EC,Peutzfeldt A,Asmussen E

doi

10.1034/j.1600-0722.2000.108004341.x

subject

Has Abstract

pub_date

2000-08-01 00:00:00

pages

341-5

issue

4

eissn

0909-8836

issn

1600-0722

journal_volume

108

pub_type

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