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Method for preparing a support bracket orthodontic orthodontic ceramico, ceramico and set of media ortodonticos ceramicos
Method for preparing a support bracket orthodontic orthodontic ceramico, ceramico and set of media ortodonticos ceramicos
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机译:制备支架的方法正畸正畸陶瓷,陶瓷和介质组的正畸陶瓷
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摘要
Ceramic orthodontic brackets are bonded to teeth with dental adhesive. Each bracket has a silica-containing layer on the tooth facing base of the bracket. A silanation layer is also applied to the base. The silanation layer is deposited from a solution containing a first silane coupling agent reactive with organic resin in the adhesive and a second silane coupling agent having a non-reactive organic group. Collectively the silanes occupy all of the silanation sites on the silica-containing substrate. By controlling the ratio of reactive and non-reactive silane coupling agents, the bond strength between the substrate and the adhesive can be controlled. A set of ceramic orthodontic brackets can have uniform force of removal by varying the proportions of silane coupling agents on the brackets.
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