Exploring the impact of diet on gum inflammation

Experimental Gingivitis in Omnivores and Vegetarians/Vegans. The Role of Diet in Periodontal Inflammation: A Controlled Clinical Study

Not applicable Interventional G. d'Annunzio University · NCT05864768

This study tests if following a vegan or vegetarian diet can help reduce gum inflammation compared to an omnivorous diet in healthy people with no history of gum disease.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment44 (estimated)
Ages18 Years and up
SexAll
SponsorG. d'Annunzio University Academic / other
Locations1 site (Chieti, CH)
Trial IDNCT05864768 on ClinicalTrials.gov

What this trial studies

This study investigates how different diets, specifically vegan/vegetarian versus omnivorous, affect periodontal inflammation and health. It aims to understand the role of dietary choices in influencing the severity of periodontal diseases by examining their effects on the immune response and tissue repair mechanisms. Participants will be monitored for their periodontal health while adhering to their respective diets over a specified period. The study focuses on individuals with optimal systemic health and no history of periodontal disease.

Who should consider this trial

Good fit: Ideal candidates are healthy individuals who have been following either a vegan/vegetarian or omnivorous diet for at least a year and have no history of periodontal disease.

Not a fit: Patients with existing periodontal disease or systemic health issues, such as cardiovascular diseases or diabetes, may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could provide insights into dietary recommendations that may help protect against periodontal diseases.

How similar studies have performed: While the specific dietary impact on periodontal health is less explored, similar studies have shown promising results in the role of diet in managing other inflammatory conditions.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Optimal systemic health conditions
* Non-Smoking
* Absence of cardio-vascular pathologies
* Absence of pulmonary pathologies
* Non-diabetic
* Not pregnant
* FMPS \<20%
* FMBS \<20%
* Omnivorous or vegan/vegetarian diet for at least a year
* Absence of periodontitis

Exclusion Criteria:

* Smokers
* Presence of systemic pathologies
* Presence of cardio-vascular disease
* Presence of periodontitis
* FMPS\>20%
* FMBS\>20%
* Pregnant women
* Presence of blood pathologies
* Taking medicines (hydantoins, nifedipine or cyclosporine)
* Taking oral contraceptives
* Bacterial, viral or fungal infections
* Idiopathic gingival fibromatosis
* Mucocutaneous disorders
* Allergic reactions to toothpastes and mouthwashes

Where this trial is running

Chieti, CH

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Periodontal InflammationPeriodontal DiseasesExperimental GengivitisNutraceutical
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.