NEET MDS Shorts
33809
Oral PathologyA white blood cell count of more than 100,000 cells/cc indicates leukemia.
48024
EndodonticsExplanation: A concussion in dental trauma refers to a situation where the tooth is not displaced but may have sustained an injury that can lead to an enamel fracture. This type of injury does not involve loss of tooth structure, which aligns with the description of an enamel fracture without tooth structure loss.
19030
Conservative DentistryGingivally, the depth of a class V cavity is typically 0.75-1 mm. This depth is sufficient to provide a good bond with the tooth structure and prevent microleakage without causing significant gingival irritation or damage.
16474
Oral SurgeryThe elevators that employ both the lever and wedge principles during extraction of root tip are apex elevators and straight elevator.
72520
Public Health Dentistry
Clinical studies often measure the effectiveness of caries
inhibiting preparations by comparing the number of new decayed, filled, and
missing tooth surfaces that appear over the course of the study period.
38980
Oral PathologyMigraine is basically vascular in origin, involving vasodilation and inflammation of cranial blood vessels, particularly the trigeminal vascular system. The pathophysiology involves changes in cerebral blood flow and release of vasoactive substances. MPDS is muscular, glossopharyngeal neuralgia is neurologic, and glossodynia is often idiopathic or related to local factors rather than vascular.
57446
Oral Medicine
Albuterol is a beta2-adrenergic agonist that relaxes bronchial smooth muscles, while ipratropium is a muscarinic antagonist that blocks the parasympathetic effects on the airways, leading to bronchodilation.
33020
Oral SurgeryRapid onset of action seen by local anaesthesia in small nerve endings is due to the high ratio of surface area to the volume of small nerve fibres.
21806
RadiologyThe primary source of X-ray photons from an X-ray tube is characteristic radiation.
64200
PeriodonticsA black line on the gingiva which follows the contour of the margin is due to mercury.