NEET MDS Shorts
53903
RadiologyOne advantage of digital radiography is that the radiographic images are obtained immediately.
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General PathologyNiemann-Pick disease is characterized by a deficiency of sphingomyelinase, not aryl sulfatase, and involves chromosome 11 in its genetic basis.
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Oral SurgeryThe symptoms of slight fever, loss of weight, sore throat, and swollen, stiff, and painful extremity joints in a 13-year-old boy are characteristic of juvenile rheumatoid arthritis (JRA), which is also known as juvenile idiopathic arthritis. Rheumatoid arthritis is a chronic inflammatory condition primarily affecting the joints.
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ProsthodonticsIn a denture wearing patient, there is independent of the denture, there is bone resorption.
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RadiologyExplanation: Cervical burnout is an optical illusion that occurs on dental radiographs, where the area around the cementoenamel junction appears darker due to the difference in density between the enamel and the underlying dentin. This can lead to misinterpretation as caries.
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Oral PathologyAdenoid cystic carcinoma (AdCC) is a malignancy that commonly affects the minor salivary glands, with the palate being the most frequent site in the oral cavity. While major salivary glands are more typically affected by other types of tumors and malignancies, AdCC is a characteristic tumor of the minor salivary glands found in the palate.
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Dental Materials
Compomers are known for their ease of use, being non-sticky, and simple to place and shape. They are a hybrid of glass ionomer and composite resin properties, offering good aesthetics and user-friendly handling.
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PeriodonticsGingival ablation is a surgical procedure that involves the removal of a portion of the gingival tissue. It is often used to treat conditions such as excessive gingival overgrowth or to improve the health of the gum tissue. Gingival recession due to friction from soft tissue, such as the tongue or cheek, is one possible outcome of this procedure. It does not inherently involve the removal of tissue due to tooth brushing, prominent roots, or hard tissue friction.
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Physiology
The macula densa cells respond to decreases in sodium chloride concentration in the tubular fluid by releasing renin, which initiates the renin-angiotensin-aldosterone system (RAAS). This leads to increased sodium reabsorption and water retention, thereby restoring the sodium chloride balance and blood volume.
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Oral PathologyProgressive painless symmetric swelling of cheek bones is a characteristic feature of cherubism.