Photomicrograph of extracted tooth socket of Group A (control), 7 days after extraction, H and E stain, 4X. The image depicts the mesial root of 2nd mandibular molar (yellow arrow). Adjacent to it is the distal root area of extraction socket of 1st mandibular molar (blue arrow). Black line shows the distal root morphology of 1st mandibular molar. Alveolar socket is also evident (green arrow) with adjacent interradicular bone (brown arrow). Red rectangular area highlights part of the area of extraction socket.