Citation Information :
Deepa A, Katuri KK, Swetha C, Shivani CR, Boyapati R, Ravindranath D. Clinical and Microbiological Efficacy of 0.25% Sodium Hypochlorite as a Subgingival Irrigant in Chronic Periodontitis Patients: A Pilot Study. World J Dent 2023; 14 (9):745-750.
Aim: To determine the efficacy of 0.25% sodium hypochlorite as a subgingival irrigant twice weekly for 3 months in patients with chronic periodontitis and to assess alterations in periodontal parameters and subgingival bacteria at baseline and 3-month intervals.
Materials and methods: The study included 20 patients suffering from chronic periodontitis who were randomly divided into the test group (n = 10) and the control group (n = 10). Professional subgingival irrigation into the periodontal pocket was done with 0.25% sodium hypochlorite in the test group and 0.9% saline in the control group at 2-week intervals for 3 months. Periodontal parameters such as plaque index (PI), gingival index (GI), probing pocket depth (PPD), and clinical attachment level (CAL) were recorded at baseline and at 3 months. Subgingival plaque samples were collected, and microbiological analysis was done using multiplex polymerase chain for the detection of subgingival bacteria like Porphyromonas gingivalis, Tannerella forsythia, and Treponema denticola at baseline and at 3 months.
Results: The results of the present study showed significant improvement in mean periodontal parameters was noted from baseline to 3 months in the test group than in the control group. The mean log colony-forming units (CFU) of Porphyromonas gingivalis, Tannerella forsythia, and Treponema denticola were reduced from baseline to 3 months in the test group than in the control group. The difference between the groups was statistically significant with p ≤ 0.05.
Conclusion: Periodontal treatment can be benefited from the use of subgingival irrigation of sodium hypochlorite in the prevention and management of chronic periodontitis.
Clinical significance: The use of subgingival irrigation provides additional benefits in the management of chronic periodontitis patients by the resolution of gingival inflammation with improvement in periodontal parameters and reduction in the number of subgingival bacteria. The “site-precise” method of periodontal treatment with locally administered antimicrobial agents offers added advantages.
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