Restorative & Materials · single question
The restorative material of choice for a cervical root-surface carious lesion (subgingival, moisture-prone) is:
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Correct answer: B. Glass ionomer
- A. Amalgam needs mechanical retention and is less ideal at the root surface.
- B. Correct. Glass ionomer chemically bonds, releases fluoride and tolerates moisture, ideal for root caries.
- C. Total-etch composite is technique-sensitive and intolerant of moisture in this location.
- D. A cast gold inlay is over-treatment for a small root lesion.
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