IRCT2014071518487N1 IRCT 2015-01-22 Shahed University The Effect of Magnolia mouthwash on dental caries and periodontal diseases Evaluation the effect of Magnolia mouthwash on the levels of S. mutans in dental plaque and on the Plaque Percent Index 2014-02-09 anticipated 20 Complete https://irct.ir/trial/16754 interventional Randomization: Randomized, Blinding: Single blinded, Placebo: Used, Assignment: Parallel, Purpose: Prevention, Other design features: All participants will be asked not to change their usual methods for their oral and dental health. With regards to their oral health status, all participants will be classified into two groups of moderate health (A) and poor health (B) based on the standard table for initial assessment of caries risk and the Plaque Percent Index. N/A Dental caries and Periodontal disease. Intervention 1: Intervention group: Using Magnolia mouthwash, Volume: 15 cubic centimeters for each use, duration: One week after the last meal before bed every night, Method: 30 seconds of turning the mouthwash in the mouth. Intervention 2: Control group: Using Placebo, Volume: 15 cubic centimeters for each use, duration: One week after the last meal before bed every night, Method: 30 seconds of turning the Placebo in the mouth.