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 Scijournal_title
European journal of oral sciencesauthors
Munksgaard EC,Peutzfeldt A,Asmussen Edoi
10.1034/j.1600-0722.2000.108004341.xsubject
Has Abstractpub_date
2000-08-01 00:00:00pages
341-5issue
4eissn
0909-8836issn
1600-0722journal_volume
108pub_type
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