NEET MDS Shorts
47973
Oral PathologyMumps is a classic cause of acute, non-suppurative (not producing pus) sialadenitis, specifically affecting the parotid glands.
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Radiology
Objects which cause attenuation of X-ray beam are shown as radiopaque in an
image.
Radiopaque materials absorb or block X-rays, leading to a reduced transmission
of the X-ray beam. This results in the appearance of white areas or shadows on
the X-ray image, indicating the presence of dense structures like bone, metal
restorations, or calculi. Radiolucent structures, on the other hand, allow
X-rays to pass through more freely, resulting in dark areas on the image.
64441
EndodonticsA pulp polyp, also known as chronic hyperplastic pulpitis, is an inflammation of the pulp resulting from extensive carious exposure of the young pulp. This condition is a form of irreversible pulpitis that occurs when the pulp is chronically exposed to the oral environment, typically in young teeth with large apical foramina and a rich blood supply, which allows the pulp to remain vital and overgrow into the carious lesion.
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General Medicine
Megaloblastic anemia can be caused by either folate or vitamin B12 deficiency. Both of these nutrients are essential for DNA synthesis and cell division in the bone marrow.
95611
NEETMDS
When a gypsum stone cast (calcium sulfate dihydrate) is heated above 90° C, it begins to lose water of crystallization and converts back into calcium sulfate hemihydrate (plaster of Paris), resulting in contraction.
85917
Conservative DentistryPorcelain restorations are known for their superior esthetics, primarily due to their ability to mimic the natural color, translucency, and harmony of natural teeth, which is a significant advantage over other tooth-colored restorations like composite resins.
22272
Dental Materials
The text states that poly (methyl methacrylate) has a water sorption value of 0.69 mg/cm², which affects its dimensional stability and physical properties.
46923
Dental Materials
Porcelain binds to metal in metal ceramic restorations by mechanical interlocking and chemical bonding. Mechanical interlocking is provided by proper wetting of the metal surface by porcelain.
The adherent metallic oxides, which are formed during the degassing cycle form a good chemical bond with porcelain.
Tin oxide and Indium oxide are formed from precious metal alloys while chromium oxide is formed from base metal alloys.
10327
RadiologyZonography is a type of panoramography.
37071
PeriodonticsThe recommended suturing method for interproximal areas of diastemata is horizontal mattress suture.