Sodium DNA has several properties that may be beneficial in the management of bacterial biofilm in periodontitis. The aim of this RCT study is to clinically evaluate the antimicrobial and oral biofilm control properties of two mouthwashes containing Chlorhexidine 0.12% + Sodium DNA and Chlorhexidine 0.20% at two weeks, compared with a placebo, on patients with stage III or IV periodontitis.

Sodium DNA has several properties that may be beneficial in the management of bacterial biofilm in periodontitis. The aim of this RCTstudy is to clinically evaluate the antimicrobial and oral biofilm control properties of two mouthwashes containing Chlorhexidine 0.12% + Sodium DNA and Chlorhexidine 0.20% at two weeks, compared with a placebo, on patients with stage III or IV periodontitis. The study was designed as a double-blind randomized controlled trial (RCT) with three parallel groups of individuals.

Inclusion Criteria:

• Clinically diagnosed with stage III or IV periodontitis according to the EFP/AAP 2017 criteria.

Exclusion Criteria:

• Periodontal treatment, antibiotics, NSAIDs, immunosuppressants during the last 6 months.
• Pregnancy.
• Systemic diseases.

Sealed envelopes