Objectives: The aim of this study was to observe the relationship between impacted mandibular third molars and development of temporomandibular joint (TMJ) disorders. Knowledge of the factors that have an adverse effect on the TMJ is necessary for proper diagnosis, treatment, and prognosis of TMJ disorders. Materials and Methods: The study was performed on 80 patients aged between 20 and 60 years with impacted mandibular third molars, over a period of two months. The patients were examined clinically and radiologically to determine the type of impaction and detect the associated TMJ symptoms or disorders. Results: In the 80 patients, 63.8% (51/80) of TMJ disorders were found in the horizontal group, 46.3% (37/80) in the mesioangular group, 42.5% (34/80) in the distoangular group, and 30.0% (24/80) in the vertical group of impacted mandibular third molars. Conclusion:The study concluded that type of impacted mandibular third molar is factor in the development of temporomandibular disorders.

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The origin of ameloblastic fibrosarcoma (AFS) or ameloblastic dentinosarcoma in the background of ameloblastic fibroma has been widely reported in literature. To the best of our knowledge, the malignant transformation of a benign ameloblastoma to an aggressive variety of AFS has never been reported. Here, we report a rare case of follicular ameloblastoma of mandible in a 16-year-old female, who initially presented with a painless slow growing swelling, gradually transformed into a painful, aggressive variety of AFS requiring extensive surgery and chemoradiation therapy.