Abstract：
:Besides functional and cross-linking monomers, dental adhesives contain a photo-initiator system for polymerization, thereby providing physico-mechanical strength to the adhesive-tooth interface. Few studies have investigated the effect of the functional monomer and polymerization-initiation system on the polymerization efficiency of the adhesive. Here, we tested the effect of two different functional monomers (MAC-10 vs. SR) and two photo-initiator systems, camphorquinone-amine (CQ) vs. borate (BO), on the degree of conversion (DC) of different adhesive formulations. The DC of the CQ-cured adhesive formulations was significantly affected by the MAC-10 monomer. This should be ascribed to the known inactivation of the amine co-initiator through acid-base reaction. However, the SR monomer did not decrease the DC, which could be attributed to a "gel effect" or the so-called "Trommsdorff-Norrish" phenomenon of enhanced DC with more viscous resins, and to the more favorable availability of CC double bonds. In contrast, the DC of the BO-cured adhesive formulations was not affected by any acidic monomer. It is concluded that the degree of conversion of an adhesive can be affected by the functional monomer, but this depends on the kind of photo-initiator system used. As bond durability depends, among other factors, on the strength and thus degree of conversion of the adhesive, potential interaction between adhesive ingredients and the photo-initiator system definitely needs to be studied further.
journal_name
Acta Biomaterjournal_title
Acta biomaterialiaauthors
Oguri M,Yoshida Y,Yoshihara K,Miyauchi T,Nakamura Y,Shimoda S,Hanabusa M,Momoi Y,Van Meerbeek Bdoi
10.1016/j.actbio.2012.01.013subject
Has Abstractpub_date
2012-05-01 00:00:00pages
1928-34issue
5eissn
1742-7061issn
1878-7568pii
S1742-7061(12)00020-7journal_volume
8pub_type
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abstract：UNLABELLED:A novel kind of monodisperse mesoporous manganese silicate coated silica nanoparticle (MMSSN) as a highly efficient T1-weighted MRI contrast agent (CA) and drug carrier for cancer diagnosis and chemotherapy has been constructed by a modified "SiO2 sacrifice and in situ silicate growth" approach under a relat...
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更新日期：2016-01-01 00:00:00
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journal_title：Acta biomaterialia
pub_type： 杂志文章
doi：10.1016/j.actbio.2005.02.001
更新日期：2005-05-01 00:00:00
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更新日期：2013-09-01 00:00:00
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doi：10.1016/j.actbio.2009.12.025
更新日期：2010-06-01 00:00:00
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journal_title：Acta biomaterialia
pub_type： 杂志文章,评审
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journal_title：Acta biomaterialia
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abstract：:Recent biotechnological progress has enabled the production of spider silk proteins, spidroins, in heterologous hosts. Matrices based on recombinant spidroins support stem cell growth and are well tolerated when implanted in living tissue, thus the material is highly attractive for use in regenerative medicine. Howeve...
journal_title：Acta biomaterialia
pub_type： 杂志文章,评审
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更新日期：2014-04-01 00:00:00
abstract：:This study evaluated the in vitro and in vivo performance of antibiotic-releasing porous polymethylmethacrylate (PMMA)-based space maintainers comprising a gelatin hydrogel porogen and a poly(dl-lactic-co-glycolic acid) (PLGA) particulate carrier for antibiotic delivery. Colistin was released in vitro from either gela...
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更新日期：2013-11-01 00:00:00
