NEET MDS Shorts
97942
NEETMDS
The alveolar crest fibres attach from the cementum at the cervical line to the alveolar crest. Their primary function is to resist horizontal forces and prevent the extrusion (pushing out) of the tooth from its socket.
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PedodonticsThe hoe has a two-point contact with the tooth.
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EndodonticsSodium hypochlorite is commonly used as an irrigating solution with ultrasonic instruments in endodontic treatment for its antimicrobial properties. It helps in the cleaning and disinfection of the root canal system by removing organic debris and bacteria. Normal saline, hydrogen peroxide, and chloramine are also used as irrigants, but sodium hypochlorite is the most effective in eliminating bacteria.
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Oral Medicine
Neurolept analgesia is a state of sedation and analgesia produced by the combined use of a neuroleptic agent and a narcotic analgesic. Neurolept anesthesia, on the other hand, includes the administration of nitrous oxide along with the neuroleptic agent and narcotic analgesic, which induces a deeper state of unconsciousness and is used for certain surgical procedures. The addition of nitrous oxide enhances the overall anesthetic effect.
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General PathologyNiemann-Pick disease is characterized by a deficiency of sphingomyelinase, not aryl sulfatase, and involves chromosome 11 in its genetic basis.
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Microbiology
A classic example of delayed type IV hypersensitivity is the Mantoux tuberculin test in which skin induration indicates exposure to tuberculosis. This reaction is called "delayed hypersensitivity" because it is mediated by sensitized CD4+ T lymphocytes which process antigens in association with class II HLA molecules and release lymphokines. Hypersensitivity reactions with this mode of action include: Granulomatous diseases (mycobacteria, fungi) Tuberculin skin reactions Transplant rejection Contact dermatitis Cytotoxic T lymphocyte (CTL) mediated responses: CD8+ T cells are generated and lyse specific cells. Class I HLA molecules play a role. Reactions with this mode include: Neoplastic cell lysis Transplant rejection Virus-infected cell lysis
The lymphokines promote a reaction (especially mediated through macrophages) beginning in hours but reaching a peak in 2 to 3 days.
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Oral SurgeryThe scalpel blade most commonly used for oral surgical procedures is No. 15.
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ProsthodonticsExplanation: The medial pterygoid muscle primarily functions to move the mandible medially and assist in closing the jaw. It does not directly influence the borders of a maxillary denture in the region of the pterygomaxillary notch. Instead, it is involved in the movement of the mandible and may indirectly affect the fit and stability of the denture.
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INI CET
The standard sequence for a scientific report follows a logical progression: Aim → Materials and Methods → Result → Conclusion.
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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.