Dental Hydrocolloids are dimensionally unstable, they should be poured immediately. To avoid this, they should be stored at: A 100% relative humidity B 2% potassium sulfate solution C Both of the above D None of the above 💡 Explanation Hydrocolloids are dimensionally unstable, they should be poured immediately. To avoid this, they should be stored at: ✓ Correct Answer: C. Both of the above