NEET MDS Shorts
32321
Oral PathologyHair-on-end appearance is caused by extramedullary hematopoiesis leading to expansion of diploe and perpendicular trabecular pattern. This occurs in severe chronic hemolytic anemias: Thalassemia, sickle cell anemia, and Cooleys anemia (which is actually thalassemia major). Pagets disease shows a cotton-wool appearance with mixed lytic and sclerotic lesions, not the characteristic hair-on-end pattern.
14347
Pharmacology
Liposomal delivery systems decrease the amount of free drug in the blood Infected cells interact with the liposomes, resulting in the release of amphotericin B at the site of action.
10048
PeriodonticsRadiographs allow clinicians to see the anatomical structure of the root; however, they often cannot accurately assess conditions like the presence of calculus or severity of gingivitis.
45088
ProsthodonticsThe retromylohyoid area is an important anatomical region in the lower denture that contributes to the retention and stability of the denture. The lateral throat form, which is the space between the retromylohyoid flange and the surrounding tissues, should be adequately large (approximately one-half inch) to allow for proper function and comfort of the denture. A well-formed lateral throat area helps in achieving a good seal and prevents food impaction.
54651
Dental Materials
The ideal requirements for temporary cements include promoting the healing process and having a low compressive strength to facilitate removal.
72434
Dental Anatomy
Well over 50% of maxillary 1st molars have two canals in the mesiobuccal root. Some authors cite the number as high as 90%. There are usually 3 roots and 4 canals in a maxillary 1st molar.
The fourth canal, the mesiolingual canal, is also referred to as: the accessory mesiobuccal canal, mesiocentric, mesiopalatal canal or MB2.
It is usually tough to find MB2 through clinical inspection and it is not obvious on a radiograph. A dentist should expect it is present before beginning a root canal on the first maxillary molar.
54637
PedodonticsThe most important modification of amalgam restorations on primary teeth is cavity preparation (Answer: 2). Unlike permanent teeth, primary teeth have a thinner enamel layer and a larger pulp chamber relative to their size. Therefore, the cavity preparation must be done with caution to avoid pulp exposure and ensure the longevity of the restoration.
24194
INI CET
The Standard Deviation (SD) is the most informative measure of variation because it accounts for every value in the dataset.
27042
Oral and Maxillofacial SurgeryThe lingual split technique minimizes bone loss and tissue trauma by dividing the tooth along its longitudinal axis and removing it in two halves, reducing the need for extensive buccal bone removal.
67145
ProsthodonticsPre-extraction records provide the most accurate information regarding the size, shape, and position of the teeth before extraction, making them the best criterion for selecting replacement teeth in prosthodontics.