The GATE Grind

GATE 2020 BM – Question 14

Biomaterials and Tissue Engineering · Biocompatibility and Implant Characteristics · 1 mark · Multiple choice

Shape-memory biomaterials are NOT used in which listed application?

  1. Intracranial aneurysm clips
  2. Arterial blood-vessel closure devices
  3. Orthopedic total-joint replacements
  4. Orthodontic dental arch wires

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Correct answer: (C) Orthopedic total-joint replacements

Explanation

Shape-memory alloys exploit recoverable deformation in clips, closure devices and orthodontic wires. Conventional total-joint replacement bearing/load structures are not the shape-memory application intended by this list. Thus C. The question contrasts these representative uses rather than claiming no investigational shape-memory component could ever appear in orthopedics.

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