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  Indian J Med Microbiol
 

Figure 1: (a) Pulpal floor view of prepared perforation (b) furcal view of perforation. (c) Repair of perforation. Dye challenge from the (d) orthograde direction. (e) Tooth after submegence in dye for retrograde challenge.

Figure 1: (a) Pulpal floor view of prepared perforation (b) furcal view of perforation. (c) Repair of perforation. Dye challenge from the (d) orthograde direction. (e) Tooth after submegence in dye for retrograde challenge.