Dental Once the root canal is obturated, what usually happens to the organism that had previously entered periradicular tissues from the canal? A They persist and stimulate formulation of a granuloma. B They are eliminated by the natural defenses of the body. C They reenter and reinfect the sterile canal unless root-end surgery is performed. D They will have been eliminated by various medicaments that were used in the root canal. 💡 Explanation Once the root canal is obturated, what usually happens to the organism that had previously entered periradicular tissues from the canal? ✓ Correct Answer: B. They are eliminated by the natural defenses of the body.