Aim of the study:

This study aims to evaluate the antioxidant and beneficial effects of matcha tea daily intake on periodontal health.

Objectives:

• To evaluate the salivary level of antioxidants (catalase, total antioxidant capacity) after matcha tea intake compared to green tea over a period of one month.
• To evaluate the clinical periodontal parameters including bleeding on probing (BOP), probing pocket depth (PPD) and plaque index (PI) after matcha tea intake compared to green tea over a period of one month.
• To evaluate the salivary levels of IL-1B after matcha tea intake compared to green tea over a period of one month.

Inclusion Criteria:

• • having at least 20 teeth,

  • underwent no medical treatment during the last 3 months before examination and sampling,
  • non-smoker,
  • no history of systemic disease,
  • gingivitis patient (having >10% bleeding sites with no PPD >3 mm).

Exclusion Criteria:

• • wore orthodontic appliances,

  • pregnant or currently in the breast-feeding period,
  • periodontitis patient,
  • smoker,
  • has a history of systemic disease.