NEET MDS Shorts
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OrthodonticsSupervision of a child's dentition is critical during all developmental stages, but the 7-10 years age range, which is the mixed dentition stage, is a particularly important time for monitoring. This is because it is the period when both primary (baby) and permanent (adult) teeth are present in the mouth. During this stage, children are at risk for various dental problems such as crowding, malocclusion, and the loss of primary teeth that can affect the eruption of permanent teeth.
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Oral SurgeryFree margin should NOT be broader than the base in mucoperiosteal flap design. The base should be broader than the free margin to ensure adequate blood supply. A narrow base compromises vascularization and can lead to flap necrosis.
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General Medicine
Adrenaline primarily works by binding to beta-2 receptors, causing bronchodilation and increasing cardiac output, and to alpha-1 receptors, causing vasoconstriction. This helps to counteract the vasodilatory and bronchoconstrictive effects of histamine.
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General PathologyThe primary defect in sickle cell anemia is the replacement of glutamic acid by valine in the ?-chain of hemoglobin, leading to the sickling of red blood cells.
93820
EndodonticsSuproxol is a 30% hydrogen peroxide solution specifically used for bleaching discolored endodontically treated teeth. It is the gold standard for non-vital tooth bleaching because it has high concentration that provides effective bleaching, can penetrate dentin tubules to remove deep stains, and works well in the walking bleach technique. Ether and chloroform are solvents, not bleaching agents, while sodium hypochlorite is an irrigant, not a bleaching agent.
34040
EndodonticsThe most frequent failures of root canal treated cases are often due to inadequate obturation. This can occur when the root canal filling material does not completely fill the space or when it is not properly compacted, leaving gaps where bacteria can persist and cause reinfection. Proper preparation and sterilization are also crucial, but inadequate obturation is the most common technical error leading to treatment failure.
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PhysiologyGlucose is reabsorbed in the proximal tubules of the kidney primarily through active transport mechanisms, utilizing sodium-glucose transporters.
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General MicrobiologyPrions are infectious agents composed solely of protein. They do not have nucleic acids like DNA or RNA and are responsible for several neurodegenerative diseases. The primary reservoir for prions is thus the proteinaceous particles themselves.
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Dental AnatomyA mandibular primate space is usually found in the primary dentition between canine and first molar
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NEETMDSRoutine relief of the incisal papilla area is necessary during denture fabrication to avoid pressure on the nasopalatine nerve and blood vessels, which can cause discomfort or pain for the patient.