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  Indian J Med Microbiol
 

Figure 6: (a and b) Structural integrity of dentin without any chemical treatment. SEM images show the dentinal tubule openings are smaller. The diameter of the tubular opening is smaller than the tubules without any deterioration of the dentinal surface. (c and d) Structural integrity of dentin posttreatment with 17% EDTA. SEM images show the dentinal tubules are open and enlarged due to the decalcification effects of EDTA, with deterioration of the dentinal surface. The diameter of the dentinal tubule opening is wider than the tubule giving a wormhole appearance. (e and f) The structural integrity of dentin posttreatment with PSDA. SEM images depict the open and wide dentinal tubules due to decalcification caused by PSDA solution. The peritubular dentin and intertubular dentin areas are found to be covered with particulate residues along with calcific deposits blocking the dentinal tubule orifices as well. SEM: Scanning electron microscopy, EDTA: Ethylenediaminetetraacetic acid, PSDA: Physiological simulated decalcifying agent

Figure 6: (a and b) Structural integrity of dentin without any chemical treatment. SEM images show the dentinal tubule openings are smaller. The diameter of the tubular opening is smaller than the tubules without any deterioration of the dentinal surface. (c and d) Structural integrity of dentin posttreatment with 17% EDTA. SEM images show the dentinal tubules are open and enlarged due to the decalcification effects of EDTA, with deterioration of the dentinal surface. The diameter of the dentinal tubule opening is wider than the tubule giving a wormhole appearance. (e and f) The structural integrity of dentin posttreatment with PSDA. SEM images depict the open and wide dentinal tubules due to decalcification caused by PSDA solution. The peritubular dentin and intertubular dentin areas are found to be covered with particulate residues along with calcific deposits blocking the dentinal tubule orifices as well. SEM: Scanning electron microscopy, EDTA: Ethylenediaminetetraacetic acid, PSDA: Physiological simulated decalcifying agent