Hypersensitivity Clinical Trial
Official title:
Clinical Performance of Repaired Resin Composite Restorations Using Separate Silane Coupling Agent Versus Adhesives Containing Regular or Acid Resistance Silane: A Randomized Controlled Trial
Evaluation the influence of the use of silane coupling agent application as a separate step versus application of silane or acid resistance silane containing adhesives on the clinical performance of repaired posterior resin composite restorations according to Modified United States Public Health Service (USPHS) criteria over one year.
some manufacturers have produced silane-containing adhesives in their new products, which might eliminate the need to apply separate silane. However, this silane coupling agent can be hydrolyzed by the acidic monomer in the adhesive making it useless. Acid resistance silane containing adhesive is the update version of the silane containing adhesive which provides a long lasting effective bond between the old and new resin composite restorations ;
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