IRCT201105136466N1 IRCT 2011-11-05 Research Deputy, Shtraz Dental School The effect of persica ( herbal oral rinse) on halitosis The effect of persica (herbal oral rinse) on halitosis in patient visiting shiraz dental school-2011 2011-07-15 anticipated 100 Complete https://irct.ir/trial/6901 interventional Randomization: Randomized, Blinding: Double blinded, Placebo: Used, Assignment: Parallel, Purpose: Treatment. N/A Oral halitosis. Intervention 1: Persica herbal mouthwash that is available in pharmacies , as directed by company brochure (15 drops in 15 ml water) by a reputable pharmacies supply and Shiraz In the same glass (marked with X for making doube blind) with a volume of 140 ml for use 7 days (14th round) was poured. Patients taking oral and written instruction was given: -) 2 soup spoon, 2 times a day (morning after breakfast and before bed at night) to gargle for 40 seconds. -) After an hour of eating and drinking mouthwash and mouth wash also be avoided. Then we ask the patient in intervention group to use it and come back for examination in next visit. Intervention 2: Placebo (including water and alcohol and essential oil flavorings without active substance) by a reputable pharmacies supply and Shiraz In the same glass (marked O for making doube blind) with a volume of 140 ml for use 7 days (14th round) was poured. Patients taking oral and written instruction was given: -) 2 soup spoon, 2 times a day (morning after breakfast and before bed at night) to gargle for 40 seconds. -) After an hour of eating and drinking mouthwash and mouth wash also be avoided. Then we ask the patient in control group to use it and come back for examination in next visit.