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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.