Effect of various light curing times on the elution of composite components
Effect of various light curing times on the elution of composite components
复制标题
不同光固化时间对复合材料组分洗脱的影响
DOI:
10.1007/s00784-015-1698-7
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发表时间:
2015
影响因子:
3.4
通讯作者:
Reichl FX
中科院分区:
文献类型:
--
作者:
Högg C;Maier M;Dettinger-Maier K;Rothmund L;Kehe K;Hickel R;Reichl FX
ObjectivesPolymerization of resin-based composites (RBCs) is incomplete. The aim of the present study was to determine whether a longer curing time than recommended by the manufacturer influences the amount of released composite components of RBCs.Materials and methodsThe composites Clearfil AP-X and els extra low shrinkage were polymerized for six different curing times: 4, 10, 20, 40, 100, and 200 s. Light curing time recommended by the manufacturer for both composites is 20 s. Subsequently, samples were eluted in methanol and water for 1, 3, and 7 days and analyzed by gas chromatography/mass spectrometry (GC/MS).ResultsFor Clearfil AP-X ethylene glycol dimethacrylate (EGDMA), diethylene glycol dimethacrylate (DEGDMA), triethylene glycol dimethacrylate (TEGDMA), 2-hydroxy-4-methoxybenzophenone (HMBP), camphorquinone (CQ) and 2,6-di-tert-butyl-4-methylphenol (BHT) were detected in methanol. In the aqueous eluate, only TEGDMA was detected. In els extra low shrinkage, HMBP, BHT, and CQ were detected in methanol.ConclusionIncreasing the curing time compared to recommendation of the manufacturer reduces the release of most composite components. This could result in less exposure to human due to these substances.Clinical relevanceMethacrylates are classified as potential allergens. An increasing number of dentists and patients show allergic reaction to methacrylates. Therefore, a reduced elution of composite components is an advantage.
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DOI:
--
发表时间:
2015
期刊:
Journal of clinical and diagnostic research : JCDR
影响因子:
--
作者:
Prashanthi Madhyastha;Dilip G Naik;R. Kotian;D. Padma;N. Srikant;K. Bhat
通讯作者:
K. Bhat
DOI:
10.1016/j.dental.2014.02.022
发表时间:
2014
期刊:
Dental materials : official publication of the Academy of Dental Materials
影响因子:
--
作者:
Sevkusic M;Schuster L;Rothmund L;Dettinger K;Maier M;Hickel R;Van Landhuyt KL;Durner J;Högg C;Reichl FX
通讯作者:
Reichl FX
影响因子:
5
作者:
J. Volk;C. Ziemann;G. Leyhausen;W. Geurtsen
通讯作者:
W. Geurtsen
影响因子:
4.2
作者:
Wan;Yi‐Ting Deng;M. Kuo;Cheing;Hao;Jenny Zwei
通讯作者:
Jenny Zwei
影响因子:
3
作者:
Deenadayalan Purushothaman;V. Kailasam;A. Chitharanjan
通讯作者:
A. Chitharanjan