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Endodontics - 3 Questions
When moderate extrusion of obturating material and sealer beyond the apex occurs, it is undesirable for several reasons. While it does not necessarily mean the prognosis is poor, there is a higher likelihood of postoperative discomfort due to the potential for chemical irritation of the periapical tissues. Additionally, if the sealer is not resorbed, it may cause a foreign body reaction, and gutta-percha extrusion can sometimes lead to severe periradicular reactions. The best approach in such a case is to obturate the remaining canal up to the point of obstruction and observe the patient's symptoms and healing response.
According to Vertucci classification, Type III canals have two separate canals that join and exit as one foramen. However, the question describes two separate foramina, which would be Type IV. The answer key shows Type III, but this may need verification.
In endodontics, the primary goal of using gutta-percha is to achieve a proper seal at the apex of the root canal system. A definite apical seal is crucial to prevent the ingress of bacteria and fluids, which can lead to reinfection. While the cone should fit well within the canal, the emphasis is on achieving a good seal rather than merely fitting exactly at the apex or being 2 mm from it.
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