Inclusion criteria  Children aging between 6-9 years with no history of previous local dental anesthesia experience. American society of anesthesiologists score equal to or less than II Lower 2nd primary molars requiring pulpotomy  Exclusion criteria:  American society of anesthesiologists Score more than II Uncompliant, Uncooperative children Children turning non-compliant during procedure Patients taking analgesics and anti-inflammatory Un-restorable teeth, teeth near exfoliation, teeth with gingival abscess/fistula, pathological mobility, pain on percussion, radiographic evidence of internal or external pathological root resorption, periapical/furcation radio-lucencies, widened periodontal membrane space.