NEET MDS Shorts
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Oral SurgeryEburnation is the process of converting living bone tissue into a sclerotic, or hardened, avascular bone due to lack of blood supply. This can occur at the site of a nonunion, which is where a fracture fails to heal properly, and the bone ends remain separate.
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Oral Surgery Le Fort III fractures are characterized by a fracture pattern that involves the separation of the facial skeleton from the cranial base. This type of fracture typically extends across the orbits and involves the zygomatic arches, leading to significant facial disfigurement and potential complications.
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Oral MedicineChloramphenicol is known to have nephrotoxic effects and can exacerbate pre-existing kidney damage. It is essential to monitor renal function closely in patients with diabetes and chronic kidney disease when administering this antibiotic.
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PeriodonticsANUG is caused by Borrelia vincenti and Fusobacterium.
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General MedicineIn liver disease, especially cirrhosis, there is a decrease in hepatic synthesis of clotting factors, particularly factor II (prothrombin). Vitamin K deficiency is also common in liver disease, which further contributes to hypoprothrombinemia. The deficiency of fibrinogen (factor I) would also result in a bleeding diathesis but is less common in liver disease. Factors V and VIII are also synthesized in the liver but are less frequently affected than factor II in such cases.
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PhysiologyThe primary mechanism by which gastric acid secretion is regulated is through the feedback loop involving the pH of the stomach content. Low pH inhibits further acid secretion by decreasing the release of gastrin and the responsiveness of parietal cells to gastrin.
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PhysiologyIn light-skinned patients with high serum bilirubin levels, the skin turns yellow due to the deposition of bilirubin.
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AnatomyThe artery chiefly responsible for blood supply to the mandible is inferior alveolar artery