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Dentine bonding agents
Additional recommended knowledge
Bonding agents are methacrylates with some volatile carrier and solvent like acetone. They also contain some diluent monomers, most typically HEMA and TEGDMA, but occasionally UDMA. This makes the bonding agent flow deep in the irregularities in the cavity surface and the irregularities formed by acid etching of the tooth.
There have been several generations of development since the introduction of dentine bonding agents. The key stages of developing dentine bonding are: etching of tooth structure to create micro mechanical patterns in enamel and demineralising dentine; priming and bonding. There has been a trend towards combining these with each successive generation, to such a stage that there are now seventh generation bonding agents combining all three stages in one bottle eg. Oneup Bond F and G-Bond.
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Dentine_bonding_agents". A list of authors is available in Wikipedia.|