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endodontics - 3 Questions
Perforations that occur in the furcation area of multi-rooted teeth have the poorest prognosis due to the complexity of the anatomy and the difficulty in achieving adequate sealing and healing. Furcation involvement often leads to periodontal issues and complicates treatment options, making it more challenging to maintain the tooth.
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.
After endodontic treatment, teeth lose moisture and become more brittle. An MOD onlay provides better protection by covering cusps and distributing occlusal forces, unlike an inlay which does not protect cusps from fracture.
MCQ