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Daily matcha tea consumption markedly reduces plaque, bleeding on probing, and oxidative stress markers, supporting healthier gums in localized gingivitis patients.
According to the outcomes of a recent study, incorporating matcha tea into daily routines may serve as a natural, antioxidant-rich strategy to support gum health and reduce inflammation, offering a complementary approach alongside traditional oral hygiene practices.
This pilot-controlled trial involved 27 adults diagnosed with localized gingivitis, defined as having a bleeding on probing (BOP) between 10% and 30%. Volunteers consumed matcha tea twice daily for 30 days while maintaining their usual oral hygiene routines. Clinical assessments included the plaque index (PI), BOP, and salivary 8-hydroxy-2'-deoxyguanosine (8-OHdG) levels, measured at baseline and after the intervention.
Patients were categorized post-intervention as either “healthy” (BOP <10%) or “gingivitis” (BOP ≥10%). Advanced statistical analyses, including regression, correlation, ANCOVA, Wilcoxon and Mann–Whitney tests, and receiver operating characteristic (ROC) curve calculations, were conducted to determine a baseline BOP threshold predicting successful gingival health restoration. After 1 month, all the subjects showed a prominent decrease in PI, BOP, and 8-OHdG levels. Those who achieved BOP <10% experienced the greatest improvement:
Patients remaining in the gingivitis category had substantial reductions in PI and BOP but no notable change in 8-OHdG. ROC analysis revealed that a baseline BOP of less than 18% predicted a high likelihood of transitioning to gingival health with matcha tea intervention (specificity = 0.70, sensitivity = 0.92). Thus, daily consumption of matcha tea can boost gum health, alleviate inflammation, and lower oxidative stress markers—especially in individuals with lower baseline BOP levels.
Oral Health and Preventive Dentistry
Does Daily Intake of Matcha Tea Enhance The Periodontal Health of Patients With Localised Gingivitis: A Control Study
Rasha Salah Abood et al.
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