NEET MDS Shorts
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PhysiologyThe primary mechanism responsible for the reclamation of bile acids in the enterohepatic circulation is active transport in the ileum, allowing for recycling of bile acids.
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NEETMDS
Fluid replacement is the most important step because the primary danger in acute diarrhea is dehydration and electrolyte imbalance. Rehydration therapy addresses this critical risk immediately.
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Periodontics
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INI CET
Acetaminophen primarily acts centrally as an analgesic without significant peripheral COX inhibition or impact on prostaglandins, so it doesn't alter bone deposition/remodeling. Ibuprofen, Aspirin, and Dexamethasone all interfere with the bone remodeling process. Ibuprofen (an NSAID) inhibits cyclooxygenase (COX) enzymes, reducing prostaglandin E2 production, which slows osteoclast activity and tooth movement (supported by studies like those in American Journal of Orthodontics and Dentofacial Orthopedics, e.g., 2010 review showing NSAIDs delay movement by 30-50%). Aspirin (another NSAID) similarly inhibits COX, decreasing prostaglandins and impairing bone remodeling, as evidenced by clinical trials (e.g., Angle Orthodontist 2006 study demonstrating reduced tooth movement). Dexamethasone (a corticosteroid) suppresses osteoblast and osteoclast function via glucocorticoid receptors, inhibiting bone formation and remodeling (confirmed by research in Journal of Dental Research, e.g., 2015 studies showing steroids impair orthodontic response).
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PeriodonticsThe recommended suturing method for interproximal areas of diastemata is horizontal mattress suture.
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Oral PathologyDiastema (spacing between teeth) is never directly associated with TMJ pathosis. TMJ disorders commonly cause open bite due to condylar resorption or growth disturbances, closed bite due to posterior teeth super-eruption, and traumatic occlusion due to altered mandibular positioning. Diastema is typically related to tooth size-arch length discrepancies, developmental factors, or periodontal disease, not TMJ dysfunction.
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Periodontics
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ProsthodonticsThe Jelenko surveyor is noted for its swiveling horizontal arm, which allows for greater flexibility in surveying the cast compared to other types.
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Dental Materials
While great for temporary cementation, its primary disadvantage for permanent use is its potential to cause tooth discoloration and pulpal irritation.
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PeriodonticsSubgingival curettage typically involves the removal of diseased tissue and can lead to root exposure and increased sensitivity. It may also help eliminate periodontal pockets. However, it does not result in an increased height of the gingiva; rather, it may lead to a reduction in gingival height due to tissue removal.