Which one of the following is used as filler in composite resins ?
Correct answer: A. Quartz
- A. Quartz
- B. Silicates
- C. Zinc particles
- D. Aluminium
Explanation
Quartz is a common inorganic filler in composite resin and improves strength, wear resistance and stiffness while reducing polymerization shrinkage. Zinc particles and aluminium are not standard fillers for conventional dental composites.
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