INBDE (Integrated National Board Dental Examination) Practice Exam

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What type of gold is used for onlays?

  1. Type 1

  2. Type 2

  3. Type 3

  4. Type 4

The correct answer is: Type 2

Onlays are a type of dental restoration made of cast gold. Type 1 gold is used for full cast crowns and is not typically used for onlays, which are generally used for smaller restorations. Type 3 and 4 gold are low-gold alloys that are not suitable for dental restorations. Therefore, the correct type of gold used for onlays would be Type 2, which is a high-gold alloy specifically designed for dental restorations.

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