NEET MDS Shorts
53716
Dental Materials
The significance of the direction of the applied force during condensation is that it affects the marginal integrity and adaptation of the material to the cavity walls. It is important to direct the force at an appropriate angle to ensure proper condensation and seating of the material.
27666
EndodonticsGutta-percha cones are generally not recommended for root canal filling in primary teeth because the root canals of primary teeth are more likely to contain vital tissue, and the material can potentially cause harm to these tissues. However, they are suitable for permanent teeth with wide root canals and even those with curved roots, provided that the root canals are properly cleaned and shaped to allow for optimal filling.
59182
RadiologyScreen films differ from non-screen films in that they are more sensitive to X-rays than light.
16857
PeriodonticsThe Gracey curette is a dental instrument used for subgingival scaling and root planing. Correct adaptation of the curette involves placing it at the correct angle to the tooth surface to effectively remove plaque and calculus. The lower shank of the curette should be parallel with the tooth surface to allow for proper engagement with the tooth structure.
69400
Endodontics
72520
Public Health Dentistry
Clinical studies often measure the effectiveness of caries
inhibiting preparations by comparing the number of new decayed, filled, and
missing tooth surfaces that appear over the course of the study period.
67444
RadiologyWhich of the following has a radiolucency closest to the dentin: silicophosphate.
69191
EndodonticsEnvelope flaps limit access to the operative site and often heal with scar formation due to inadequate blood supply at the incision line. Triangular and rectangular flaps provide better access and healing.
36844
Oral PathologyErythroblastosis fetalis (hemolytic disease of the newborn) causes hyperbilirubinemia leading to bilirubin deposition in developing teeth. This results in characteristic pigmented teeth with green, brown, or blue discoloration. The pigmentation occurs due to biliverdin and bilirubin incorporation into the dentin and enamel during tooth development. Dentinal dysplasia and hypoplastic teeth are not typical features of erythroblastosis fetalis.
67923
Physiology
Answer: 1) The body is represented in a distorted manner in the somatosensory area-I, with the face and hands having a disproportionately larger representation due to their higher innervation density.