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NEET MDS Quiz - Practice Test
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Practice Test

State PSC PYQ - 3 Questions

1
State PSC PYQ
Which of the following is an example of primary prevention in dentistry?
1) Pit and fissure sealants
2) Serial extraction
3) Scaling and root planning
4) Fluoride use on incipient caries

πŸ“ Explanation:

Primary prevention aims to stop disease before it starts. Pit and fissure sealants protect tooth surfaces and prevent caries formation.
Serial extraction and scaling and root planning are examples of secondary or tertiary prevention, as they involve treatment after a condition (malocclusion or periodontal disease) has already started.
Fluoride use on incipient caries is also secondary prevention as it aims to halt the progression of an already existing early lesion.

2
State PSC PYQ
Which of the following is the largest component of an alginate impression material by weight percentage?
1) Diatomaceous earth
2) Calcium sulfate
3) Sodium phosphate
4) Potassium alginate

πŸ“ Explanation:

  • Diatomaceous earth (an inert filler) is the largest component of alginate impression material by weight percentage. It makes up approximately 60% of the material.
  • Potassium alginate (the reactive component) is the next largest component, usually around 15-20%.
  • Calcium sulfate (the reactor) and sodium phosphate (the retarder) are present in smaller quantities.

3
State PSC PYQ

Which of the following is the primary objective of splinting mobile teeth in periodontal therapy?

  1. Improve aesthetics
  2. Reduce probing depth
  3. Prevent further bone loss
  4. Distribute occlusal forces more favourably

πŸ“ Explanation:

Splinting mobile teeth helps to stabilize them by distributing the forces of chewing (occlusal forces) across a wider area, which reduces trauma to individual teeth and supporting structures. This stabilization is considered the primary objective in periodontal therapy. While it may indirectly help prevent further bone loss or improve comfort, the direct mechanical goal is force distribution.

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