Fig. 6From: Quaternary ammonium silane (k21) based intracanal medicament triggers biofilm destruction(a, b) The binding poses of quaternary ammonium compound in MMP-2 in both (a) 3D and (b) 2D. (c) MMP-2 is seen posed with K-21 chains up to quaternary nitrogen and associated with the silanolBack to article page