IRCT20191228045910N1 IRCT 2020-06-21 Esfahan University of Medical Sciences Effect of implementing relaxing music and aromatherapy on anxiety in patients undergoing root canal therapy Effect of implementing relaxing music and aromatherapy on anxiety in patients undergoing root canal therapy 2020-01-01 anticipated 72 Complete https://irct.ir/trial/44645 interventional Randomization: Randomized, Blinding: Single blinded, Placebo: Used, Assignment: Parallel, Purpose: Treatment, Randomization description: For individual Randomization We will add 72 patients to the desired population size. Then we have 2 single-digit columns in the table of random numbers. We will then randomly select a starting point for patient selection. Finally, we started the selection process from this point and considered any number that is smaller or equal to 72 as the sample of choice, Blinding description: None of the patients are given any explanation about the effects of music and lavender aromas on their anxiety in order to avoid the psychological and placebo effect. 3 Anxiety. Intervention 1: Control group: Five drops of water as placebo dispersed in an electronic deodorizing chamber in an area of ​​20square meters during the treatment (30-60 minutes). Intervention 2: Intervention group: music listening during treatment (30-60 minutes) via external spaekers. Intervention 3: Intervention group: Five drops of lavender essential oils produced by Kazerun Agro Company at a concentration of 2% and containing emulsifiers dispersed in an electronic deodorizing chamber in an area of ​​20square meters during the treatment (30-60 minutes). Intervention 4: Intervention group: Intervention # 1 and # 2 are performed simultaneously. 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 No more information.