NEET MDS Shorts
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EndodonticsPulpotomy aims to preserve the vitality of radicular (root) pulp after removing infected/inflamed coronal pulp. This allows continued root development in immature teeth and maintains pulp vitality.
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PhysiologyThe physiological capacity of the bladder, at which micturition is normally effected, ranges between 250 ml - 450 ml, indicating the volume at which the urge to urinate is felt.
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Biochemistry
Following digestion, the products of digestion enter the bloodstream.
These include glucose, amino acids, triacylglycerides packaged into chylomicrons from the intestine, and very low density lipoproteins from the liver.
The hormone of anabolism, insulin, is also elevated because of the signaling of the glucose and amino acids in the blood, which allows release of insulin from the β-cells of the pancreas. Insulin aids the movement of glucose and amino acids into cells. In contrast, all the hormones and energy sources associated with catabolism are decreased in the blood during this time. Long-chain fatty acids and glycerol released by lipolysis from adipocytes are not elevated. Glucagon and epinephrine are not released. The only time glucose levels rise significantly above approximately 80 mM is following a well-balanced meal when glucose is obtained from the diet. The concentration of glucose reaches a peak 30 to 45 minutes after a meal and returns to normal within 2 hours after eating. This response of blood glucose after eating (mimicked by giving 50 g of oral glucose) is the basis for the glucose tolerance test. In the event of insulin deficiency (diabetes mellitus), the peak glucose concentration is abnormally high and its return to normal is delayed.
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RadiologyThe projection that best locates the position of an impacted third molar is occlusion view combined with periapical view.
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General MedicineIn pneumothorax, breath sounds are absent
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Dental AnatomyA permanent tooth erupting in the mouth of an 11 years old child is most likely mandibular second bicuspid
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Orthodontics
SOLUTION Stress is the force applied per unit area while strain can be defined as the internal distortion per unit area.
Stress and strain are inter-related terms as stress is an external force acting upon a body while strain is the resultant of stress on that body.
Strain can be expressed in the form of a change in either the external dimension or internal energy of the body.
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NEETMDSIncision and drainage of an abscess in the buccal vestibule near the lower right first molar requires careful consideration of nearby anatomical structures. The facial artery is a major branch of the external carotid artery that crosses the lower border of the mandible and runs superiorly and anteriorly across the face. This artery is in the region where an incision would be made and must be avoided to prevent significant bleeding.
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Periodontics
The transseptal fibers are a type of periodontal ligament fiber that run between the cementum of adjacent teeth. They help maintain the interproximal relationship between teeth and provide support to the gingival tissue. These fibers are important for the stability of the dental arch and help resist the forces that may cause teeth to drift apart.
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PedodonticsFunctional space maintainers are typically made to be removable for ease of cleaning and adjustment, which is essential for the patient's oral hygiene and the overall success of the treatment. While they also replace the tooth/teeth and prevent mesial drift and supraeruption of teeth from the opposing arch, the key advantage is their ability to maintain function and promote proper eruption of the permanent teeth.