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  Indian J Med Microbiol
 

Figure 1: Dye penetration along the margin of the retrograde filling materials and tooth structure: (a) Amalgam, (b) IRM, (c) WMTA, (d) DBA

Figure 1: Dye penetration along the margin of the retrograde filling materials and tooth structure: (a) Amalgam, (b) IRM, (c) WMTA, (d) DBA