NEET MDS Shorts
86589
RadiologyThe reflecting layer used in intensifying screens is titanium oxide & magnesium carbonate.
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General Medicine
Nitroglycerin is a vasodilator that primarily acts by relaxing vascular smooth muscles, which leads to dilatation of coronary arteries.
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Oral Pathology
Trigeminal neuralgia is a chronic pain
condition involving the trigeminal nerve, which supplies sensation to the face.
The hallmark symptom is sudden, severe, stabbing or electric-shock-like pain,
typically lasting for seconds to a few minutes. This pain is often triggered by
stimuli such as touching the face, chewing, or even speaking. Other options
(e.g., paralysis or prolonged episodes) do not describe this condition
accurately.
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INI CET
Azithromycin is effective in treating drug-induced gingival overgrowth due to its anti-inflammatory properties and its ability to modulate fibroblast activity, specifically targeting the mechanisms of tissue overgrowth.
44210
ProsthodonticsThe distal termination of the posterior lower teeth in complete denture should be at the mesial end of the retromolar pad.
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Oral SurgeryEpinephrine is not compatible with general anesthetic agents that sensitize the myocardium to catecholamines, increasing the risk of cardiac arrhythmias. Halothane and cyclopropane are known to have this effect, making their combined use with epinephrine contraindicated.
54404
EndodonticsIn a young patient with immature root development and vital pulp exposure, pulpotomy preserves radicular pulp vitality allowing continued root development (apexogenesis). Pulpectomy would halt root formation.
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INI CET
Measles is a live attenuated vaccine, injectable polio (Salk) is a killed vaccine, hepatitis B is a recombinant vaccine, and diphtheria is a toxoid vaccine.
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Dental Materials
The term equiaxed refers to the fact that three dimensions of each grain are similar. In dendritic structure, grains are elongated. Dendritic micro structures are not desirable for cast dental alloys, reason being the inter dendritic regions can serve as sites for Addition of about 1 wt% of ruthenium, Iridium or rhenium as grain refiners makes modern dental noble metal casting alloys as equiaxed microstructures.
crack propagation.
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ProsthodonticsIn the platinum foil matrix technique for collarless metal-ceramic crowns, the foil is adapted onto the die. This technique involves placing platinum foil over the prepared die, fabricating the metal framework over the foil, then removing the foil to create space for porcelain application. This ensures proper fit and eliminates the need for a ceramic collar.