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NEET MDS Quiz - Practice Test
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Practice Test

All Subjects - 3 Questions

1
Periodontics
After curettage, reeptheliazation of sulcus occurs in 
 1. 2-7 days
 2. 1-2 weeks
 3. 2-3 weeks
 4. 4-5 weeks

πŸ“ Explanation:

Curettage involves removal of the inflamed soft tissue lining of the periodontal pocket.

Healing occurs by proliferation of epithelial cells from the adjacent gingival tissue.

Re‑epithelialization of the sulcus is usually complete within 1–2 weeks.

Connective tissue repair and maturation take longer (several weeks), but epithelial coverage is relatively rapid.

2
Prosthodontics
The disadvantage of three-fourth crown
1) Compromised aesthetics
2) More tooth reduction
3) Inadequate retention
4) Biomechanical compatibility

πŸ“ Explanation:

A three-fourth crown (also called a partial veneer crown) covers most of the tooth but leaves one surface (usually buccal or facial) intact for better aesthetics.

Advantages:

Preserves more tooth structure compared to a full crown.

Better aesthetics since the facial surface is left untouched.

Good biomechanical compatibility.

Disadvantage:

Because it does not completely encircle the tooth, retention is compromised compared to a full crown.

3
Physiology

In the somatosensory area-I of the cerebral cortex, which of the following statements is true?
1) The body is represented in a distorted manner, with the face and hands having a disproportionately larger representation than the rest of the body.
2) The body is represented in a manner proportional to its size, with no distortion in the representation of different body parts.
3) The body is represented in a reversed order, with the feet at the top and the face at the bottom of the postcentral gyrus.
4) Each side of the cortex receives sensory information from the same side of the body.

πŸ“ Explanation:

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.

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