Dental Vitality test has to be done over a PFM crown, which is the best test to be done in order to check the vitality: A EPT. B Cold test. C Cavity test. D All of the above. 💡 Explanation Vitality test has to be done over a PFM crown, which is the best test to be done in order to check the vitality: ✓ Correct Answer: B. Cold test.