RecruitingClinical trialComparison of the Effects of Oral Hygiene Regimens on Clinical, Immunomodulatory, and Microbial Outcomes and Oral Tolerance in People With GingivitisThis study is a six-week, double-blind, randomized, parallel-group controlled clinical study. The objective of this study is to evaluate the changes to the oral microbiome, inflammatory mediators, gingival health indices and to assess oral tolerance after 4 weeks of twice daily use of differing oral hygiene regimens including mouthwash compared to a control group. A follow-up assessment will be completed 2 weeks after cessation of treatments.