NEET MDS Shorts
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PedodonticsA mucocele is a common, benign lesion that occurs due to the blockage or rupture of a salivary gland duct, leading to the accumulation of mucous. In children, they often appear as dome-shaped, soft, bluish swellings on the lips or oral mucosa. Other options such as hematoma, melanoma, and hemangioma typically present differently and are less likely to occur in this specific context.
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General Medicine
Hemophilia A is typically inherited in a sex-linked recessive pattern, meaning it is caused by a mutation in a gene on the X chromosome. Males are more commonly affected since they have only one X chromosome, while females with one normal and one affected X chromosome are usually carriers and may exhibit mild symptoms.
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ProsthodonticsA three-fourth crown is a type of partial veneer crown that covers the mesial, distal, and lingual surfaces of a tooth, while leaving the facial (buccal) surface intact. This design provides a "wrench-like" or three-point grip for retention and stability, particularly on posterior teeth.
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INI CET
If vitality can be maintained, a pin-retained composite core is preferred for anterior aesthetics and conservation of tooth structure.
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Oral medicineLumbar puncture is done at L3-L4 level. This is below the termination of the spinal cord (conus medullaris at L1-L2) and within the cauda equina region. This level minimizes the risk of spinal cord injury while providing safe access to cerebrospinal fluid.
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Community DentistryFluoride prophylaxis after oral prophylactic procedures (like scaling or polishing) is done to help remineralize the enamel and replace any fluoride that might have been removed from the tooth surface during the cleaning process. The polishing can remove a small layer of fluoride-rich enamel, making the topical application necessary to restore protection.
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NEETMDS
The initial clinical sign of phenytoin-induced gingival enlargement is typically the enlargement of the interdental papillae, which then progresses to involve the marginal gingiva. The tissue usually appears pale and fibrotic, rather than inflamed or bleeding.
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INI CET
Silicone elastomers are highly stable, but specific disinfectants like high-concentration chlorides are avoided to maintain the integrity of the detailed surface and prevent degradation.
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Oral PathologyQuantity of the X-ray beam is governed by mAs (milliampere-seconds).
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Physiology
The vagus nerve is involved in the parasympathetic control of various visceral organs, but not the eye. The oculomotor nerve (CN III) innervates the pupillary sphincter and ciliary muscle for pupil constriction and accommodation, which are parasympathetic functions.