NEET MDS Shorts
279014
Oral PathologySquare collimators are not commonly used in dentistry.
868312
PhysiologyEndorphins, particularly ?-endorphin, are opioid peptides that act as natural painkillers. They are released during stress and pain and bind to opioid receptors in the brain and spinal cord to inhibit the transmission of pain signals. While they do have secondary effects on mood and stress response, their primary function is pain inhibition.
149642
PeriodonticsA thin bluish line around the gingival margin is due to the absorption of lead.
892917
ProsthodonticsInternal resorption in a tooth is seen as a non-proliferation lesion.
884985
Oral SurgeryIn gate control theory of pain, pain is mainly modulated by the substantia gelatinosa.
222530
OrthodonticsIn a child with a skeletal Class I relationship and slight overjet, thumb sucking can contribute to the maintenance of the overjet due to the anterior teeth being pushed forward by the thumb. If the child discontinues thumb sucking, the anterior teeth may naturally reposition themselves, leading to a reduction in overjet.
Option 2 is incorrect because while the eruption of permanent canines can influence the occlusion.
Option 3 is also incorrect; the lower incisors would not necessarily incline labially if the thumb sucking habit is stopped.
353086
ProsthodonticsThe analyzing rod is a straight metal shaft used
to evaluate the presence or absence of undercuts on the cast.
105340
PeriodonticsAntihistamines are not typically associated with significant effects on
periodontal therapy. In contrast, propranolol (a beta-blocker), sodium warfarin
(an anticoagulant), and corticosteroids can all influence periodontal health and
treatment outcomes.