NEET MDS Shorts
57459
PhysiologyThe acrosome in sperm contains enzymes that help dissolve the egg's outer layers, facilitating sperm penetration during fertilization.
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Conservative DentistryRetention grooves in a class V cavity for non-adhesive restoration are placed in the mesioaxial and distoaxial line angles. These grooves help hold the restoration in place by providing mechanical retention and reducing the risk of microleakage.
86320
INI CET
Neutral supine position with stabilization (hard collar/sandbags) is mandatory to prevent spinal cord injury.
24956
OrthodonticsThe high labial-bow is typically used for molar retraction and is not designed for incisor retraction. In contrast, Roberts retractors, split labial-bows, and apron springs are all instruments that can be used effectively for retracting incisors during orthodontic treatment.
25608
NEETMDS
A dental floss safety ligature is tied to the bow to allow for retrieval of the clamp if it becomes dislodged, preventing the patient from accidentally swallowing or aspirating it.
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EndodonticsPulpotomy is contraindicated in irreversible pulpitis with continuous pain as this indicates total pulp involvement. The entire pulp must be removed (pulpectomy) rather than attempting to preserve radicular pulp.
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PeriodonticsSite-specific characteristics are not seen in herpetic gingivostomatitis.
21505
Oral SurgeryHyaluronidase is an enzyme that breaks down hyaluronic acid, a component found in the extracellular matrix. When added to a local anesthetic, it increases the permeability of tissues, facilitating enhanced diffusion of the anesthetic agent into the surrounding areas. This can broaden the spread of the anesthetic, allowing for a more effective and comprehensive blockade of nerve signaling.
97118
INI CET
The contemplation stage refers to when an individual is aware of the need for change and is weighing the pros and cons but is still ambivalent about taking action.
53858
PedodonticsMediotrusive prematurity is not essentially pathological.