EFFECT OF PROBIOTIC Lactobacillus reuteri ON PERIODONTAL INDEX IN PATIENTS WITH CHRONIC PERIODONTITIS (SYSTEMATIC REVIEW). IJDS [Internet]. 2024 Dec. 13 [cited 2026 Apr. 29];1(2):124-31. Available from: http://ijds-pdgipalembang.com/index.php/ijds/article/view/19