Restorative & Materials · single question
Which metal used in dental prostheses is associated with neuropathy on chronic excessive exposure?
Show answer and explanation
Correct answer: A. Zinc
- A. Correct. Chronic zinc excess (classically from zinc-containing denture adhesives) induces copper deficiency, producing a myeloneuropathy with sensory loss, gait disturbance and anemia.
- B. Gold is inert; the main concern is rare contact allergy.
- C. Titanium is highly biocompatible and not neurotoxic.
- D. Palladium can cause contact hypersensitivity but is not linked to neuropathy.
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