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
0
10
4.8
P10
25
0.82
P20
20
0.71
P30
15
0.52
P40
40
0.31