INBDE (Integrated National Board Dental Examination) Practice Exam

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Which materials are considered base materials?

  1. Composite resin

  2. RMGI or GI cement

  3. Amalgam

  4. Porcelain

The correct answer is: RMGI or GI cement

The materials considered as base materials are typically used for filling cavities and have a longer set time compared to the other materials listed. Composite resin (A) is more suitable for filling small cavities and not considered as a base material. Amalgam (C) and porcelain (D) have high compression strength and are used for filling large cavities but they are not considered as base materials as their set time is shorter compared to the base materials. RMGI or GI cement (B) is the correct answer as they have a longer working time and are commonly used as base materials for filling cavities.

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