| Introduction. Periodontal disease is an inflammatory condition that affects the tissues supporting the teeth. Worldwide, periodontitis is considered a public health problem due to its high prevalence and high treatment costs. In this context, some plants have been proposed as herbal alternatives that impact periodontal disease by reducing the formation of biofilms and dental plaque. Therefore, the objective of this study was evaluate the antimicrobial and anti-inflammatory effects of Rosmarinus officinalis in patients with periodontitis. Material and Method. 13 subjects diagnosed with periodontitis, aged between 18 and 60 years of age, were included, who were evaluated for the Löe and Silness gingival index, as well as the simplified oral hygiene index at the beginning of the study, 7 and 15 days after treatment with Rosmarinus officinalis herbal solution. A saliva sample was also requested at the beginning and end of the study to measure pH and for the evaluation of antibacterial growth. Results. The results show an increase in pH and a decrease in the indices evaluated, as well as in bacterial growth after using the rosemary-based herbal solution. Conclusion. Rosmarinus officinalis has antimicrobial and anti-inflammatory effects in patients with periodontitis. |