In the users of psychoactive substances, gingiva and other periodontal tissues suffer the worst damage, but when the healing process starts, the awareness about the importance of maintaining oral hygiene improves.

Objectives The use of local probiotics in the therapy of periodontitis is reflected in their ability to antagonize periodontopathogens and modulates the immune response of the host to the presence of pathogenic microorganisms. The aim of this study was to investigate the use of local probiotics in the treatment of periodontitis as an adjunctive therapy to scaling and root planning (SRP). Methods The study involved 80 patients diagnosed with periodontitis. All participants underwent SRP therapy. Semi‐solid probiotic was then locally applied to the periodontal pocket in randomly selected patients for the test group (40 of them). The other 40 patients were in the control group. Clinical parameters including periodontal pocket depth (PPD), bleeding on probing (BOP) and plaque index (PI) were measured at baseline, and at 7 and 30 days after treatment. Results Seven days after the applied therapy in the test and control group, there was a significant decrease in the values or BOP (p < .001), while the values of other parameters did not show a statistically significant difference (p < .05). One month after the therapy in both groups, there was a statistically significant difference in the values of all clinical parameters (p < .001). Conclusions Based on the results of this pilot study, it can be said that, during periodontal treatment, topical application of probiotics in combination with SRP increases the effectiveness of conventional non‐surgical therapy of periodontitis.

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Oral and perioral tissues undergo different functional and structural changes with ageing. The role of the dentist and stomatologist includes the management of systemic, nutritional and pharmacological oral manifestations in order to establish an early diagnosis and subsequent accurate treatment.

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