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Priming effects of triethylene glycol and triethylene glycol monomethacrylate on dentin bonding

Mizuho Kusunoki1, Kazuo Itoh, Yutaka Utsumi

  • 1Department of Clinical Cariology and Endodontology, Showa University, School of Dentistry, 2-1-1 Kitasenzoku, Ohta-Ward, Tokyo 145-8515, Japan. miz.k@gaea.ocn.ne.jp

Dental Materials Journal
|September 25, 2007
PubMed

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EDTA titrations are usually carried out in highly basic conditions, where the fully deprotonated form of EDTA, Y4−, actively complexes with the free metal ions in the solution. Several metal ions precipitate as hydrous oxide (hydroxides, oxides, or oxyhydroxides) under these conditions, lowering the concentration of free metal ions in the solution. For this reason, auxiliary complexing agents or ligands such as ammonia, tartrate, citrate, or triethanolamine are used in EDTA titrations to...
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Masking and Demasking Agents

EDTA titrations may necessitate masking and demasking agents to temporarily protect a particular metal ion in a mixture from the EDTA reaction. These agents facilitate the sequential analysis of the metal ions by forming stable complexes with some—but not all—metal ions during certain steps.
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