Fig. 7From: Antimicrobial and cleaning effects of ultrasonic-mediated plasma-loaded microbubbles on Enterococcus faecalis biofilm: an in vitro studyRoughness (A, Ra, μm) and microhardness (B, HV) of dentin before and after PMBs + US treatment. “N.S.” means not significant (p > 0.05)Back to article page