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NEET MDS Quiz - Practice Test

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Practice Test

Periodontics - 3 Questions

1
Periodontics
Instrument selection for scaling depends upon all of the following factors except
1) Location of calculus deposits
2) Composition of calculus
3) Area of the mouth to be instumented
4) Depth of pockets

📝 Explanation:

The location of calculus (subgingival vs. supragingival) influences the choice of instrument type (e.g., hand scalers vs. ultrasonic scalers). The area of the mouth (anterior vs. posterior) also affects instrument selection due to accessibility and angulation. The depth of pockets is crucial as deeper pockets may require specific instruments designed for subgingival scaling.

2
Periodontics
Which of the following structures is most likely to be damaged when per forming flap surgery on the complete mandibular arch?
1. Mental nerve
2. Attachment of mylohyoid muscle
3. Retromolar pad
4. Attachment of buccinator muscle

📝 Explanation:

The mental nerve is situated beneath the mandibular arch and is at risk during flap procedures, especially when flaps are elevated or repositioned in that area.

3
Periodontics
Which of the following changes occur in tissues around teeth o of function for a long time?
1. Atrophy of cementum
2. Secondary dentin deposition
3. Thickening of the periodontal ligament
4. Osteoporosis

📝 Explanation:

Long-term functional changes around teeth can lead to osteoporosis in the alveolar bone, which is characterized by a decrease in bone density. This can affect the support of the teeth.

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