1: Healthy, 2: gingivitis
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Study on safety of hydrogen-containing jelly: 1. Healthy persons over 20 years old Investigation of effects on periodontal tissue by oral ingestion of hydrogen containing jelly: 1. Persons with gingival inflammation with more than 20% of sites of bleeding on probing 2. Persons 20 to 39 years old
Exclusion criteria
Exclusion criteria: Study on safety of hydrogen-containing jelly: 1. Persons who drink hydrogen water regularly 2. Persons who have gelatin allergy 3. Persons who have difficulty in swallowing 4. Women who are pregnant or are likely to become pregnant 5. Lactating women Investigation of effects on periodontal tissue by oral ingestion of hydrogen containing jelly: 1. Persons who took antibiotics, anti-inflammatory drugs, antiallergic drugs within the past two weeks 2. Persons who drink hydrogen water regularly 3. Persons who have gelatin allergy 4. Persons who have difficulty in swallowing 5. Smoker 6. Women who are pregnant or are likely to become pregnant 7. Lactating women
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Study on safety of hydrogen-containing jelly: adverse side effect Investigation of effects on periodontal tissue by oral ingestion of hydrogen containing jelly: percentage of sites of bleeding on probing | — |
Secondary
| Measure | Time frame |
|---|---|
| Study on safety of hydrogen-containing jelly: none Investigation of effects on periodontal tissue by oral ingestion of hydrogen containing jelly: probing pocket depth, clinical attachement level, periodontal inflamed surface area: PISA, plaque control record: PCR, oxidative stress (d-ROMs) and antioxidant capacity (OXY-adsorbent test) of serum oxidative stress (8-OHdG) and lactate dehydrogenase of unstimulated saliva, cytokines (IL-1 beta, IL-6, IL-10, IL-17, and TNF-alpha) levels of gingival crevicular fluid | — |
Contacts
Okayama University Hospital