IRCT20200521047534N1 IRCT 2020-11-10 Larestan University of Medical Sciences Effect of lavender on anxiety The effect of inhalation aromatherapy with lavender essential oil on anxiety before dental procedures 2020-10-21 anticipated 64 Complete https://irct.ir/trial/48350 interventional Randomization: Randomized, Blinding: Double blinded, Placebo: Used, Assignment: Parallel, Purpose: Supportive, Randomization description: Block Randomization is used to balance the number of samples allocated to each study group. According to the volume of the final sample in this study, 8 blocks of 8 are used to allocate participants in each group and the allocation of intervention and control group to letters A and B will be done randomly according to the pre-determined blocks. . Individuals are divided into two groups according to the criteria for entering and leaving the study and according to randomly designed blocks (in each block, 4 individuals for the intervention group and 4 individuals for the control group, Blinding description: Due to the fact that anxiety is measured subjectively and can be influenced by induction or indoctrination, anxiety measurement will be done in two ways. After designing the random allocation, the lead researcher provides it to the researcher and asks him or her to divide the individuals into two groups according to the random sequence of blocks. At this stage, the patient and the researcher will not be aware of the type of individual group (intervention or placebo) and the type of treatment assigned. For this purpose, prescribing treatment and research will be two separate individuals. 3 Anxiety. Intervention 1: Intervention group: 2 drops of lavender essential oil, 2% are poured on the handkerchief by a dropper and the patient inhales it for 20 minutes. Intervention 2: Control group: 2 drops of distilled water are poured on the handkerchief by a dropper and the patients inhale the placebo for 20 minute. Yes - There is a plan to make this available What will be shared: It can be shared by unidentifiable participants When: Access begins a year after the publication of results To whom: People who are working in the academic and scientific institutions Conditions: It needs the agreement of Larestan Medical School Where to obtain: zahra seifi, faculty member of larestan medical school, z.seifi2010@yahoo.com, tell phone:07152255278, cell phon number:09177827970 How to obtain: Written and formal request to the vice chancellor for research of Larestan University of Medical Sciences Comments: