Which of the following tests is the least useful in endodontic diagnosis of children?
Electric pulp testL Until apical closure occurs, teeth do not respond normally to electric pulp testing. In addition, a traumatic injury may temporarily alter the conduction capability of nerve endings and/or sensory receptors in the pulp. A patient with a vital pulp may not experience any sensation right after trauma.
Percussion
Palpation
Electric pulp test
Cold test