Healthy person
Conditions
Interventions
Oral spray administration (60 minutes)
Tablet administration (60 minutes)
Sponsors
Hiroshima University
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: Teachers / staff working at Hiroshima University or students attending Hiroshima University 1. Those who are older than 20 years old and older than 70 years old when obtaining consent 2. Person who can obtain consent from the person in writing regarding participation in this research
Exclusion criteria
Exclusion criteria: 1. Those who have dairy allergy 2. Those who have dental illnesses that require dental treatment 3. Persons with diseases that affect bad breath outside the oral cavity (Sjogren's syndrome, sinusitis, other systemic diseases, etc.) 4. Those who have taken L8020-containing products within 3 weeks before registration 5. Participants in other clinical research (including clinical trials) 6. Those who are deemed inappropriate by the person in charge of conducting the research 7. Those who have an interest in the researcher
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Bad breath (by bad breath measuring instrument) | — |
Secondary
| Measure | Time frame |
|---|---|
| Caries risk (by using a simple saliva test kit) Periodontal disease status (with a simple saliva test kit) Taste, fragrance, residual feeling (questionnaire survey) | — |
Countries
Japan
Contacts
Public ContactTsuyoshi Taji
Hiroshima University Department of Oral Biology & Engineering, Graduate School of Biomedical & Health Sciences
Outcome results
None listed