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. Author manuscript; available in PMC: 2008 Jan 7.
Published in final edited form as: Dent Mater. 2007 Feb 21;23(12):1473–1481. doi: 10.1016/j.dental.2006.12.003

Figure 5.

Figure 5

Micro-Raman intensity ratios of 1609 cm−1(phenyl C=C)/1667 cm−1(amide I) as a function of spatial position across the adhesive/dentin interfaces. The statistical comparisons between adhesive infiltration with and without PEGDMA as a function of position across the interface were collapsed into 3 zones. The first zone involved the first and second micrometers, the second zone involved the third through sixth micrometers and the third zone involved the seventh and eighth micrometers. There was a statistically significant difference (p < 0.02) in the band ratios (1609/1667) of the adhesive with and without PEGDMA at each of these zones.