NEET MDS Shorts
90794
EndodonticsPeriapical radiographs are essential tools in endodontic practice. They help in determining the length of the root canal during procedures like root canals. They can also reveal signs of infection or inflammation around the apex of the tooth (periapical pathosis), which indicates the presence of infection in the pulp.
70056
Oral SurgeryA chondromyxoid fibroma is a rare, benign bone tumor that typically causes pain as its most prominent clinical symptom. The other options listed are generally associated with little to no pain. A myxoma is usually painless. A torus palatinus and an osteoma are typically slow-growing, hard, bony growths that are asymptomatic unless they interfere with function or are traumatized.
65150
Oral SurgeryDry socket (alveolar osteitis) is a painful condition that occurs when the blood clot at the site of a tooth extraction fails to develop or is dislodged. The standard treatment involves gentle irrigation to remove debris and then placing a medicated dressing to soothe the pain and protect the area. Curettage is generally avoided as it can further delay healing,
65299
General Medicine
Factor Xa is a serine protease that plays a pivotal role in the common pathway of the coagulation cascade. It, along with factor Va, forms the prothrombinase complex that converts prothrombin (factor II) to thrombin (factor IIa), which in turn activates fibrinogen to form fibrin, leading to clot formation.
19422
Oral PathologyFibrous ankylosis is the most common complication of rheumatoid arthritis involving the TMJ. RA causes chronic synovitis, leading to destruction of articular cartilage and subchondral bone. This inflammatory process results in scar tissue formation and fibrous adhesions between articular surfaces, causing restricted mouth opening. While condylar resorption may occur, fibrous ankylosis is more frequent and characteristic of RA progression.
81474
NEETMDSThe zone of dentin that is most recently formed and uncalcified is known as predentin. This layer is secreted by odontoblasts before it undergoes mineralization to become mature dentin.
10141
General Medicine
ETEC are the principal cause of traveler’s diarrhe1) They produce both a heat-labile toxin (LT) and a heat-stable toxin (ST) that act on the intestinal mucos1) The LT is similar to cholera toxin and increases intracellular cGMP levels, leading to enhanced fluid and electrolyte secretion into the lumen and thus diarrhe1) The ST acts by a different mechanism but also enhances fluid and electrolyte secretion.
98520
Conservative Dentistry
The distance between the tip of the curing light and the tooth is important, as the intensity of the light source is important. A minimum of 400-mW/cm2 is required. It is recommended that the tip be placed as close to the surface to be cured as is physically possible (within 1 to 2mm). The intensity of light is inverselyproportional to the distance from the source. As a general rule each increment should be at most 1.5 to 2 mm thick. This will ensure complete penetration of the light and maximum curing of thecomposite at the bottom most portion of the cavity preparation.
44674
Oral Medicine
Metoclopramide acts primarily as a dopamine D2 receptor antagonist in the chemoreceptive trigger zone in the brain and in the gastrointestinal tract, which helps to reduce nausea and vomiting by decreasing gastric emptying and increasing gastric tone.
42498
NEETMDS
The condition described, which includes brown skin pigmentation (hyperpigmentation), hypoplasia of the kidney and spleen, absent or hypoplastic thumb or radius (limb malformations), microcephaly, and mental and sexual retardation, is characteristic of Fanconi anemia (FA).