Effect of 0.12% Chlorhexidine Gel and Tooth Brushing on Porphyromonas Gingivalis Levels in Subgingival Plaque and Matrix Metalloproteinase-8 (MMP-8) Levels in Gingival Crevicular Fluid of Children and Adolescents with Down Syndrome. GJMR [Internet]. 2020 Jan. 15 [cited 2026 Jan. 31];20(J1):5-12. Available from: https://medicalresearchjournal.org/index.php/GJMR/article/view/1975