IRCT20200304046693N1 IRCT 2020-06-25 Qazvin University of Medical Sciences Effect of Ibuprofen on the pain during pulp therapy The effect of premedication With Ibuprofen on intra-operative pain during pulp therapy in primary molars 2019-04-04 anticipated 60 Complete https://irct.ir/trial/46335 interventional Randomization: Randomized, Blinding: Double blinded, Placebo: Used, Assignment: Parallel, Purpose: Supportive, Randomization description: Random allocation was done with "Random Allocation Software Version 2.0". This software has been produced to support the first type of randomization. The sample size (60) and number of groups (2 groups) were inserted to the software. The output data was a random sequence of numbers 1 to 60, allocating in two groups of A and B. The sequence was offered to the pharmacist. Bottles including drug (group A) and placebo (group B) was numbered according to the random sequence, Blinding description: A pharmacist prepared placebo and ibuprofen with the same flavor and only the pharmacist was aware of the coded bottles' content. After the completion of treatment, data was sent to the statistician with the codes of 1 and 2. Therefore, patient, physician(who recorded the pain score) and statistician were blinded to the groups. 3 Primary molars pulpitis. Intervention 1: Intervention group: Prescribing 120mg/5 ml ibuprofen suspension(Emad Darman Pars Co.) , 10 mg/kg according to patients weight, 45 minutes prior to treatment. Intervention 2: Control group: Prescribing placebo(fruit juice), 10 mg/kg according to patients weight, 45 minutes prior to treatment. Undecided - It is not yet known if there will be a plan to make this available Justification or reason for indecision in sharing IPD is It will be decided later.