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Release Of Monomers From Dental Composite Materials - An Invitro Study

Evaluation of monomers BisGMA and TEGDMA from dental composites using HPLC
by Nagesh S. C. - Sold by Dodax EU
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Nagesh S. C. Release Of Monomers From Dental Composite Materials - An Invitro Study
Nagesh S. C. - Release Of Monomers From Dental Composite Materials - An Invitro Study

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Delivery: between 2021-03-16 and 2021-03-18
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Description

Resin composites have been used as an alternative to amalgam, ceramic and gold restorations. According to various studies the amount of monomer conversion to polymer is between 43-73%.These monomers have shown wide variety of adverse biological reactions.In this study release of BisGMA and TEGDMA monomers from two flowable dental composite materials, Tetric N-flow and Esthet X-flow were assessed. Three groups (n=10) of each material were fabricated, one for each polymerization time of: 20s, 30s, and 40s. The samples were stored immediately in the storage medium of 2ml of absolute alcohol at room temperature which was renewed after 24 hours and was stored for 7 more days. Ethanol samples were measured using HPLC Unit to know the amount of monomers released. Regardless of polymerization time, the material or storage time, a higher amount of BisGMA was released compared to TEGDMA. The release of monomers did not reduced after 24 hours and 7 days after polymerization. The 40s that are usually used for the polymerization of resin composites seems insufficient in order to prevent higher release of monomers.

Contributors

Author Nagesh S. C.

Author Mithra N. Hegde

Author Ganesh T. Bhat

Product Details

DUIN 37JQUE45NNU

GTIN 9783659224706

Language English

Pages 92

Product type Paperback

Dimension 8.66 x 5.91  inches

$62.99
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