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  Indian J Med Microbiol
 

Figure 3: Radiographs of tooth number 21 showing preoperative status (a), status after 6 months (b) and after 12 months (c) of using collagen as scaffold

Figure 3: Radiographs of tooth number 21 showing preoperative status (a), status after 6 months (b) and after 12 months (c) of using collagen as scaffold