IRCT20200406046975N1 IRCT 2020-05-04 Tehran University of Medical Sciences Effects of herbal and chemical mouthwash Evaluation of the effect of chlorine hexidine and matrix mouthwash on saliva pH and tongue plaque 2019-12-21 anticipated 40 Complete https://irct.ir/trial/46994 interventional Randomization: Randomized, Blinding: Double blinded, Placebo: Not used, Assignment: Crossover, Purpose: Health service research, Randomization description: Categorized refining method: Simple and appropriate method, especially in studies with small sample size and can reduce possible heterogeneity and its application method in studies in which participants are identified before the start of the study. Randomized randomization was used in which each individual with a specific disease was not considered. The study was intended to study healthy individuals. They were individually selected and studied, Blinding description: Dosocore Essays: Trials that are planned in such a way that neither the people being studied nor the observers (researchers) know who is in what group. The draft author also wrote the article, and the person in charge of collecting the data kept all of these people blind in their study. They used it, but they already told the participants about the type of mouth Vieira was given a full explanation. 3 The pH of saliva and tongue plaque. Intervention 1: Intervention group: 20 people, each of whom was given 20 cc of chlorhexidine mouthwash made by Nazhu Iran Company, had a one-minute consumption period and each of them consumed once. Intervention 2: Control group: 20 people, each of whom had a Matrix herbal mouthwash containing chamomile plant extract, 20 cc of this mouthwash combined with 10 cc of water and consumed for one minute by Barij Essence. Yes - There is a plan to make this available What will be shared: The subjects were selected to include both sexes and their age When: Start access 6 months after printing results To whom: The data will only be available to researchers working at academic and research institutes, or people working in the industry can apply for it. Conditions: The use of documentation is permitted for all researchers Where to obtain: Islamic Azad University, Tehran Dental Unit How to obtain: The university must go through the process of receiving the documents, which takes one day Comments: