Fig. 4From: Characterization of histomorphological and microbiological changes in tooth pulp to assess post-mortem interval: an observational studyHistological and microbiological assessment after 1, 3, and 6 months of extraction. a–c Increasing vacuolations of the ECM with time (× 100). d–f Degenerating nuclei of the fibroblasts (× 400). g–i Intact odontoblastic layer (× 400). j–l Gram stain (Brown and Brenn) showing the presence of Gram-positive cocci of Staphylococcus and Streptococcus species (× 1000)Back to article page