Violation
After pulpotomy of a permanent central incisor in an 8-year old child, the most important clinical criterion/criteria of success is/are: 1. completion of root formation. 2. retained natural colour of the tooth. 3. secondary dentin bridge formation. 4. formation of pulp stones.
(1) and (3)
(1) (2) (3)
(2) and (4)
(4) only
All of the above.