NEET MDS Shorts
34594
ProsthodonticsThe lingual extension of the mandibular impression should be tested by functional movements of the tongue.
39885
ProsthodonticsOral examination of an edentulous patient should include digital palpation to evaluate undercut areas better.
73678
Periodontics
20927
Conservative DentistryIn Class V restorations, which are located at the gingival third of the facial or lingual surfaces of teeth, the occlusal wall is typically wider than the gingival wall. This design helps in providing retention and resistance to the restoration, as the occlusal wall is more subject to occlusal forces.
75158
Oral PathologyBasal cell carcinoma (BCC) is a type of skin cancer that is strongly associated with prolonged exposure to ultraviolet (UV) radiation from sunlight.
88148
Oral PathologyHair-on-end appearance is pathognomonic of thalassemia and other severe chronic hemolytic anemias. It results from expansion of the diploic space due to extramedullary hematopoiesis, creating perpendicular trabecular striations radiating from the inner to outer table of the skull. Fibrous dysplasia shows ground-glass appearance, Garres osteomyelitis shows onion-skin layering, and Pagets disease shows cotton-wool appearance.
50491
Prosthodontics
Effects of loading on the abutment tooth and the surrounding structures. Widening of the periodontal ligament: When loads are
applied to a tooth, the periodontal ligament (PDL) experiences stress. This
can lead to a mild widening of the PDL space due to the mechanical loading
and adaptive responses of the tissues involved. Thus, this statement is
true. Increase in the density of the cortical plates: When
there is functional loading, the cortical bone surrounding the teeth can
adapt by increasing in density (a process known as bone remodeling).
Increased loads can stimulate bone formation, leading to denser cortical
plates. This statement is also true. Increase in the trabeculation of the alveolar bone:
Similar to the cortical plates, the trabecular (or cancellous) bone also
adapts to loads through a process of remodeling, often leading to increased
trabeculation during functional loading. This means denser and more
organized bone structure in response to the applied forces, which is true as
well. None of the above: Given that all the previous
statements can be considered true in the context of what happens when loads
are applied to the abutment tooth, the option "None of the above" suggests
that all of the listed outcomes can occur with loading on the abutment
tooth, making option 4 the correct choice. In summary, when loads are placed on the abutment tooth, all the mentioned
effects (widening of the periodontal ligament, increase in the density of the
cortical plates, and increase in the trabeculation of the alveolar bone) are
valid responses to mechanical stress. Therefore, the answer 4 (None of the
above) is correct because there are no false statements among the listed
outcomes.
11406
Dental Materials
the initial release is generally higher, making 0.075 mg during the 1st week
the rate of release is typically highest during the initial few hours and days after placement and then decreases with time
44011
NEETMDS
The thickness of a spacer
used on a die in dentistry is determined by the specific type of
luting cement that will be used and the expected casting shrinkage
to ensure proper fit of the restoration. the spacer on a die (used in waxing for crowns/bridges) creates
space for luting cement and accounts for casting shrinkage to ensure
proper fit, retention, and marginal integrity.
30341
State PSC PYQGlass ionomer cement is the most suitable material for managing root caries in patients with xerostomia (dry mouth) due to its unique properties. It can bond to the tooth structure in a moist environment and, crucially, it releases fluoride, which helps prevent further decay in patients with reduced salivary flow and high caries risk.