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  Indian J Med Microbiol
 

Figure 2: (a) Intraoral swelling still exists after conventional root canal preparation just before obturation; (b) preobturation intraoral periapical X-ray with gutta percha

Figure 2: (a) Intraoral swelling still exists after conventional root canal preparation just before obturation; (b) preobturation intraoral periapical X-ray with gutta percha