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NCT Number: NCT07287540

Anti-inflammatory Nutrition on the Outcomes of Non-surgical Periodontal Therapy

This study aimed to determine the effect of anti-inflammatory nutrition on non-surgical periodontal treatment in individuals with periodontitis by evaluating gingival crevicular fluid (GCF) and serum biomarkers and clinical periodontal parameters.

A total of 100 volunteers identified as having a pro-inflammatory diet (Q3 and Q4) will be included in the study. Individuals will be assigned to two groups. These groups will then be further divided into two groups based on whether or not they will receive anti-inflammatory nutrition education. Group Q3-1 (n=25) will receive non-surgical periodontal treatment and anti-inflammatory nutrition education. Group Q3-2 (n=25) will receive only non-surgical periodontal treatment. Group Q4-1 (n=25) will receive non-surgical periodontal treatment and anti-inflammatory nutrition education. Group Q4-2 (n=25) will receive only non-surgical periodontal treatment. After the periodontal index measurements are completed, the patients will receive non-surgical periodontal treatment. GCF and serum samples, periodontal clinical parameters and Dietary Inflammatory Index will be collected 3 times: at baseline, 1.5 and 3 months after non-surgical periodontal treatment. Levels of interleukin (IL)-1β, IL-10, tumor necrosis factor (TNF)-α, total oxidant status (TOS), total antioxidant status (TAS), and C-reactive protein (CRP) will be assessed from these samples. This will investigate the role of anti-inflammatory nutrition in reducing periodontal inflammation and increasing treatment success.

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Key information

Age range

20 year–65 year

Sex eligibility

All sexes

Study type

Observational

Primary location

Recep Tayyip Erdoğan University

Rize, 53020, Turkey (Türkiye)

Location status: Recruiting

Location contact

Hatice Yemenoglu

CONTACT

[email protected]

+904642220000

Who can participate

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Being systemically healthy
  • Not smoking
  • Not using anti-inflammatory drugs in the last 3 months, antibiotics, or systemic corticosteroids in the last 6 months
  • Not being pregnant or lactating
  • Not having received periodontal treatment in the last 6 months
  • Having at least 20 teeth in the mouth
  • Being diagnosed with periodontitis by the investigator
  • Having a dietary inflammatory index >0

Exclusion criteria

  • Having a systemic disease
  • Smoking
  • Using anti-inflammatory drugs within the last 3 months, antibiotics within the last 6 months, or systemic corticosteroids
  • Being pregnant or lactating
  • Having received periodontal treatment within the last 6 months
  • Having fewer than 20 teeth in the mouth
  • No periodontitis

Treatment and study plan

non surgical periodontal trearment

Other

All participants will receive nonsurgical periodontal treatment

anti-inflammatory nutrition education

Other

Participants in Groups Q3-1 and Q4-1 will receive anti-inflammatory nutrition education

Primary outcomes

  1. periodontal pocket depth

    Time frame: baseline, after nonsurgical periodontal treatment at 1.5 months, after nonsurgical periodontal treatment at 3 months.

    It will be calculated by measuring the distance between the gingival margin and the pocket base. It will be measured from the six surfaces of each tooth and the average will be taken higher scores indicate worse outcome.

  2. Clinical attachment loss

    Time frame: baseline, after nonsurgical periodontal treatment at 1.5 months, after nonsurgical periodontal treatment at 3 months.

    It will be calculated by measuring the distance between the cementoenemal border and the pocket base. It will be measured from the six surfaces of each tooth and the average will be taken higher scores indicate worse outcome.

Secondary outcomes

  1. interleukin (IL)-1β level

    Time frame: baseline, after nonsurgical periodontal treatment at 1.5 months, after nonsurgical periodontal treatment at 3 months.

    IL-1β levels will be measured with biochemical kits.

  2. interleukin (IL)-10 level

    Time frame: baseline, after nonsurgical periodontal treatment at 1.5 months, after nonsurgical periodontal treatment at 3 months.

    IL-10 levels will be measured with biochemical kits.

  3. tumor necrosis factor (TNF)-α level

    Time frame: baseline, after nonsurgical periodontal treatment at 1.5 months, after nonsurgical periodontal treatment at 3 months.

    TNF-α levels will be measured with biochemical kits.

  4. serum total oxidant status (TOS) level

    Time frame: baseline, after nonsurgical periodontal treatment at 1.5 months, after nonsurgical periodontal treatment at 3 months.

    TOS levels in serum will be measured with biochemical kits.

  5. serum total antioxidant status (TAS) level

    Time frame: baseline, after nonsurgical periodontal treatment at 1.5 months, after nonsurgical periodontal treatment at 3 months.

    TAS levels in serum will be measured with biochemical kits.

  6. serum C-reactive protein (CRP) level

    Time frame: baseline, after nonsurgical periodontal treatment at 1.5 months, after nonsurgical periodontal treatment at 3 months.

    CRP levels in serum will be measured with biochemical kits.

Study contacts

Contact information is provided by the study sponsor or research team.

Hatice Yemenoglu

CONTACT

[email protected]

+905052977517

Sponsors and collaborators

Lead sponsor

Recep Tayyip Erdogan University Training and Research Hospital

Other

Collaborators

  • Recep Tayyip Erdogan University

Registry information

Official study title

Evaluation of the Effects of Anti-inflammatory Nutrition on the Outcomes of Non-surgical Periodontal Therapy in Individuals With Periodontitis

Important dates

Study start
2025
Primary completion
2026
Study completion
2026
First posted
Dec 17, 2025
Registry last updated
Jun 23, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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