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  Indian J Med Microbiol
 

Figure 4: Radiograph of class I restorations after seven rounds. (a) Intact composite restoration; (b) damaged composite restoration; and (c and d) damaged amalgam restorations

Figure 4: Radiograph of class I restorations after seven rounds. (a) Intact composite restoration; (b) damaged composite restoration; and (c and d) damaged amalgam restorations