NEET MDS Shorts
89818
Physiology
Bitter taste is mediated by the activation of bitter receptors, which are G protein-coupled and result in an increase in intracellular Ca+2 and subsequent neurotransmitter release, not by the activation of sodium channels as seen in salty taste transduction.
43142
OrthodonticsThe position of the maxillary canines and first permanent molars relative to the mandibular canines and first permanent molars
91781
PeriodonticsThe best way to prevent exposure of dehiscence during a surgical procedure is to elevate a partial thickness flap.
58687
NEETMDS
Midline diastema is a common condition involving a gap between the two upper
front teeth.
Various orthodontic techniques and appliances can be used to close this space,
which typically involves applying controlled force to move the teeth closer
together.
(a) Lingual bow with inter tooth traction: A lingual bow is an orthodontic
appliance that can be used with traction (force) between teeth to close a
diastema.
(b) Hawley's appliance with finger springs: A Hawley appliance is a type of
removable retainer often used in orthodontics.
It can be modified with finger springs to apply gentle pressure and move teeth,
including closing a diastema.
(c) Bonding tooth and inter tooth elastics: Bonding brackets or buttons to the
teeth and using intermaxillary elastics (rubber bands) is a standard method to
apply force and close gaps.
(d) Use of steel ligature directly on tooth: Applying a steel ligature wire
directly around a tooth to move it would likely cause uncontrolled tilting of
the tooth and potential damage to the tooth and surrounding tissues, rather than
a proper, controlled correction of the diastema.It is not a standard or safe
method for this purpose.
39032
NEETMDSAn ideal pit and fissure sealant must have adequate working time to allow for proper application and placement before it sets. Other requirements include low solubility, good flow, and high bond strength to the tooth surface
45482
State PSC PYQThe classification uses a Venn diagram to combine multiple occlusal characteristics.
98025
INI CET
Crepitus is the grating or popping sensation caused by friction between bone and cartilage, frequently seen in degenerative joint conditions like CBO.
57914
PharmacologyDoxapram and nikethamide are both known as analeptic agents, which are central nervous system stimulants. Propylbutamide is a less common or potentially misspelled term, but doxacurium is a non-depolarizing neuromuscular blocking agent, not a stimulant. Therefore, doxacurium is the agent that is not an analeptic.
11944
General MicrobiologyAnthracoid bacilli are generally non-motile and non-capsulated, and they do not grow in long chains.
79868
NEETMDS
The initial, sharp, and localized pain in a tooth is primarily mediated by the myelinated A?A deltaA?fibers. These fibers are faster conducting than C fibers and are responsible for the immediate response to stimuli like cold or drilling.