A false-negative response to the pulp tester may occur

Responses Obtained from Electric Pulp Testing False-Positive Responses Partial pulp necrosis Patient’s high anxiety Ineffective tooth isolation Contact with metal restorations False-Negative Responses Calcific obliterations in the root canals Recently traumatized teeth Immature apex Drugs that increase patient’s threshold for pain Poor contact of pulp tester to tooth Cohen's Pathway of the Pulp ed: 11th Pg18