Dental Binder in investment for dental castings: A Brings about reduction in expansion B Provides adequate strength to the investment, holds ingredients together and provides rigidity C Is usually a form of silica D Can be safely heated above 700°C when present in the form of gypsum 💡 Explanation Binder in investment for dental castings: ✓ Correct Answer: B. Provides adequate strength to the investment, holds ingredients together and provides rigidity