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  Indian J Med Microbiol
 

Figure 1: Showing (a) No preexisting dentinal microcracks. (b) Preexisting microcracks. (c) Microcracks formation after root canal preparation and obturation. (d) Microcracks formation after postspace preparation with ParaPost XT Drill

Figure 1: Showing (a) No preexisting dentinal microcracks. (b) Preexisting microcracks. (c) Microcracks formation after root canal preparation and obturation. (d) Microcracks formation after postspace preparation with ParaPost XT Drill