NEET MDS Shorts
32788
Oral Surgery
Le Fort I Fracture
49638
Endodontics
The dental pulp, a highly vascularized connective tissue, responds to any form of injury or insult (such as trauma, chemical irritation, or bacterial invasion from caries) with an inflammatory reaction, also known as pulpitis.
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Oral PathologyThe histopathology of osteopetrosis shows endosteal bone formation and lack of normal bone resorption.
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ProsthodonticsExplanation: In complete denture patients, the second bicuspid often carries a significant load during mastication due to its position and the occlusal forces exerted during chewing. This tooth's location allows it to support the occlusal forces effectively, making it crucial in the overall function of the denture.
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NEETMDSFor a non-vital tooth with an open apex (apexification), the treatment of choice is the use of a material like Mineral Trioxide Aggregate (MTA) to create an apical barrier, which can often be completed in a single sitting. Conventional obturation with gutta-percha requires a fully formed apex.
14884
NEETMDS
Histoplasma capsulatum is a fungus known to affect the reticuloendothelial
system.
Mucormycosis and Rhizopus are causes of mucormycosis.
Cryptococcus neoformans primarily affects the lungs and central nervous system.
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Oral Medicine
The rash in scarlet fever is characterized by small, raised, red bumps that feel like sandpaper when touched. These bumps, known as "Pastia lines," are particularly prominent in skin folds. The rash is caused by the exotoxins produced by Streptococcus pyogenes and typically occurs with a strep throat infection.
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EndodonticsCervical third root fractures have the least favorable prognosis. This is because: 1) The fracture line is at or near the gingival margin, making restoration difficult, 2) Contamination from oral fluids is inevitable, preventing proper healing, 3) Crown-root ratio becomes unfavorable even if healing occurs, 4) Periodontal involvement is common, 5) Often requires extraction due to poor long-term prognosis. Apical third fractures have the best prognosis as they often heal with fibrous union and remain functional, while middle third fractures have intermediate prognosis.
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Oral PathologyLeukemic gingivitis may be misdiagnosed as necrotizing ulcerative gingivitis.
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NEETMDS
Fenestrated capillaries are found in the dental pulp and are responsible for the transfer of metabolites due to their porous structure, which allows for efficient exchange of substances.