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Table 1 Composition of the experimental repair primers*

From: Experimental methacrylate-based primers to improve the repair bond strength of dental composites – a preliminary study

Primer Components, mass % pH
  UDMA HEMA GMDA-P Silane Ethanol  
P0 30 30 0 10 30 4.8
P10 25 25 10 10 30 0.82
P20 20 20 20 10 30 0.71
P30 15 15 30 10 30 0.52
P40 10 10 40 10 30 0.31
  1. *The primers were rendered photocurable by addition of a photosensitizer and a co-initiator.