Dental True regarding gypsum bonded investments is: A After dehydration all forms of gypsum shrink between 200-400 degree Celsius. B Between 400-700 degree Celsius a slight expansion is noted. C Lateral shrinkage in gypsum is caused due to decomposition and release of sulphur dioxide. D All of the above 💡 Explanation True regarding gypsum bonded investments is: ✓ Correct Answer: D. All of the above