NEET MDS Shorts
94733
ProsthodonticsA closed horse-shoe major connector provides increased rigidity and support for long-span distal extension bases in removable partial dentures. It helps distribute forces evenly and enhances the stability of the prosthesis.
91176
PeriodonticsPsychological stressors can contribute significantly to the onset and exacerbation of acute necrotizing ulcerative gingivitis, which often occurs in individuals under stress or with compromised immunity.
37762
Oral medicineLumbar puncture is done at L3-L4 level. This is below the termination of the spinal cord (conus medullaris at L1-L2) and within the cauda equina region. This level minimizes the risk of spinal cord injury while providing safe access to cerebrospinal fluid.
77210
Physiology
The enteric nervous system is the intrinsic nervous system of the gastrointestinal tract and is responsible for the regulation of digestion and other gastrointestinal functions. It can operate independently of the central nervous system and consists of a network of neurons and glial cells that are embedded within the wall of the gut, coordinating local reflexes and influencing the muscle and secretory activities of the digestive system.
35410
NEETMDS
When mercury comes in contact with the
alloy powder (mainly silver, tin, copper):
Mercury first dissolves the outer surface of the alloy particles.
After dissolution, new reaction products begin to form:
Ag–Hg (gamma-1 phase) from reaction with silver
Sn–Hg (gamma-2 phase) from reaction with tin (in low-copper amalgam)
Cu–Sn (eta phase) replaces gamma-2 in high-copper amalgam
24137
Oral PathologyWarthin's tumour (also known as papillary cystadenoma lymphomatosum) is a benign tumour that occurs almost exclusively in the parotid gland, which is a major salivary gland. It rarely, if ever, occurs in the minor salivary glands.
80522
ProsthodonticsThe purpose of boxing an impression is both to serve as a base for cast poured and to boxing pressure the border width after border molding.
51862
OrthodonticsPassive tooth-borne functional appliances are removable and do not require active muscle participation, such as Andersen activator, Woodside and Hawley activator, and expansion activator. The Herbst appliance is a fixed functional appliance.
21531
NEETMDSHutchinson triad is a set of three clinical signs associated with congenital syphilis: interstitial keratitis (corneal inflammation), sensorineural deafness, and Hutchinson's teeth (peg laterals). A flat nasal bridge is not part of the triad.
64441
EndodonticsA pulp polyp, also known as chronic hyperplastic pulpitis, is an inflammation of the pulp resulting from extensive carious exposure of the young pulp. This condition is a form of irreversible pulpitis that occurs when the pulp is chronically exposed to the oral environment, typically in young teeth with large apical foramina and a rich blood supply, which allows the pulp to remain vital and overgrow into the carious lesion.