Fig. 4From: Influence of Er:YAG laser irradiation on the outcomes of alveolar ridge preservation at the infected molar sites: a randomized controlled trialHistomorphological analysis of bone sample with Hematoxylin-Eosin staining (A) laser group. (B) control group. Blue box, presentation of the upper, middle and lower part of the bone sample at a magnification of 50x. material remnant (RM), non-mineralized connective tissue (NMCT) and new bone (NB).Back to article page