NEET MDS Shorts
59319
NEETMDS
A permissive occlusal splint (also called a stabilization
splint or Michigan splint) is designed to: Allow the condyles to seat in the centric relation (CR)
position. Provide uniform posterior occlusion when the mandible is
in CR. Guide mandibular movements with anterior guidance,
ensuring posterior disocclusion during lateral and protrusive movements. This design "permits" the muscles and joints to function without
interference, reducing abnormal loading and parafunctional activity.
51657
General MicrobiologyThe polymerase chain reaction (PCR) is a molecular technique used to amplify DNA sequences. In the context of tuberculosis, PCR can be used to detect the presence of Mycobacterium tuberculosis DNA in clinical samples, making it a valuable tool for indirect diagnosis.
25176
Oral PathologyA black line on the gingiva which follows the contour of the margin is due to mercury.
40989
ProsthodonticsExplanation: The vertical dimension of occlusion (VDO) is easier to establish in patients with removable partial dentures (RPDs) because they typically have some natural teeth remaining. These teeth provide reference points for occlusal relationships and help in determining the appropriate vertical dimension. The presence of remaining teeth allows for better tactile feedback and aids in achieving a more accurate and functional occlusion. The other options, while they may have some relevance, do not directly contribute to the ease of recording VDO as effectively as the presence of remaining teeth.
22697
Oral Pathology
Reversible pulpitis changes to irreversible pulpitis primarily because of
invasion of microorganisms.
Reversible pulpitis is a condition where the pulp is inflamed but can
potentially heal if the causative agent is removed and the pulp remains vital.
Irreversible pulpitis, however, occurs when the inflammation is severe or
chronic, leading to irreversible damage to the pulp. The primary reason for this
progression is typically the invasion of microorganisms and their byproducts,
which can cause further inflammation and necrosis of pulpal tissue, making
healing unlikely.
75127
RadiologyThe nasal septum can be best viewed by occipitomental view.
65923
General Medicine
The sudden onset of pain, abdominal distension, and constipation with the presence of dilated loops of bowel and air-fluid levels on X-ray are indicative of small bowel obstruction.
70988
EndodonticsLateral condensation is considered the best method of gutta-percha condensation and is the gold standard technique. Advantages include: 1) Predictable and controllable technique, 2) Excellent apical seal when properly executed, 3) Suitable for most canal configurations, 4) Allows for incremental placement and evaluation, 5) Easy retrieval if retreatment is needed, 6) Well-researched with proven clinical success. While vertical condensation can provide excellent results in skilled hands, lateral condensation is more universally applicable and has the most extensive research supporting its effectiveness.
20757
Dental AnatomyA permanent tooth erupting in the mouth of an 11 years old child is most likely mandibular second bicuspid
55546
RadiologyWhich of the following helps in distinguishing an osseous neoplasm and a cyst on an X-ray: peripheral bone formation.