NEET MDS Shorts
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EndodonticsLaser Doppler flowmetry is used in dentistry to assess pulp vitality by measuring blood flow within the pulp tissue. It detects the movement of red blood cells using a low-power laser beam, making it a non-invasive method for determining the health of a tooth's pulp.
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ProsthodonticsExplanation: The appropriate size of the bur for preparing a lingual rest seat for a removable partial denture (RPD) is typically 1/4th inch. This size allows for the proper shaping and contouring of the rest seat to ensure a secure fit for the prosthesis.
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Physiology
Answer: 3) The sympathetic nervous system is regulated by the spinal cord through the sympathetic chain ganglia, which receive input from the hypothalamus and other higher centers.
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Medicine
Ochronosis, the deposition of homogentisic acid (HGA) in connective tissues, is a characteristic feature of alkaptonuria.
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Dental Materials
The first light-activated systems were formulated for UV light to initiate free radicals. Today the UV light-cured composites have been replaced by visible blue-light-activated systems with greatly improved depth of cure, a controllable working time, and other advantages. Because of these advantages, visibly light-activated composites are more widely used than are chemically acti wited materials.
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PedodonticsThe occlusal line produced due to reversal of cuspal inclines in bruxism patients is called the pleasure curve.
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RadiologyIf shorter exposure time is needed for exposing dental film, kVp can be increased.
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Physiology
Delta waves are high-amplitude, low-frequency brain waves that are most prominent during the deepest stage of NREM sleep, which is Stage 3 NREM, indicating deep sleep.
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PeriodonticsThe buccal marginal gingiva receives its main blood supply from the supraperiosteal vessels, which are located above the periosteum (a layer of connective tissue that covers the bone). These vessels are part of the periodontal ligament's blood supply and provide nutrients to the superficial tissues of the gum
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PhysiologyThe epididymis is a coiled tubular structure located behind the testis. Its primary function is to store and mature sperm cells, making them fully motile and capable of fertilization.