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US4538990A Method of decreasing the permeability of a dental cavity 失效
降低牙腔渗透性的方法

Method of decreasing the permeability of a dental cavity
摘要:
A method of decreasing the permeability of dental cavity preparations comprising the steps of first applying from 1 to 30% w/v neutral oxalate salt solution, such as dipotassium oxalate to the smear layer and then applying 0.5 to 3% w/v of an acidic oxalate salt solution, such as a monopotassium monohydrogen oxalate, to the layer. The resultant layer of microscopic calcium oxalate crystals makes the dentin surface more resistant to acid attack.
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