Fig. 5From: Influence of Er:YAG laser irradiation on the outcomes of alveolar ridge preservation at the infected molar sites: a randomized controlled trialImmunohistochemistry analysis result. (A) The detection of RUNX-2 expression in laser group. (B) The detection of RUNX-2 expression in control group. (C) The detection of OCN expression in laser group. (D) The detection of OCN expression in control group. Blue box, presentation of the upper, middle and lower part of the bone sample at a magnification of 50xBack to article page