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. 2013 Jan;92(1):82–86. doi: 10.1177/0022034512467034

Figure 1.

Figure 1.

Expression of MMP-2 and -9 activities (ng/mL) obtained with the Biotrak™ activity assay system. (A) Comparison of enzyme activity in the etch-and-rinse group. Bar 1, control mineralized dentin powder (G1 - MD); Bar 2, dentin powder etched with 1% phosphoric acid solution (G2 - 1% H3PO4); Bar 3, etched-dentin plus treatment with ScotchBond 1XT (G3 - SB1XT); Bar 4, etched-dentin plus PQ-1 (G4 – PQ1); Bar 5, etched-dentin plus Peak LC (G5 - Peak); Bar 6, etched-dentin plus OptiBond Solo Plus (G6 - OSP); and Bar 7, etched-dentin plus Prime&Bond NT (G7 - P&B NT). (B) Comparison of the MMP-2 and -9 enzyme activities in the self-etch group. Bar 1, control mineralized dentin powder (G1 - MD); Bar 2, mineralized dentin treated with Adper Easy Bond (G8 - AEB); Bar 3, mineralized dentin treated with Tri-S (G9 - TRI-S); and Bar 4, mineralized dentin treated with Xeno-V (G10 - XENOV).