Suppression effect on tooth staining evaluated in the newly developed tea beverage/ Randomized controlled trials with double blind crossover study
- Conditions
- one (Healthy adults)
- Registration Number
- JPRN-UMIN000029616
- Lead Sponsor
- Tsurumi University
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Pending
- Sex
- Female
- Target Recruitment
- 14
Not provided
1. Subjects who are judged as unsuitable for lifestyle questionnaires. 2. Subjects who may have allergy to test foods. 3. Subjects with big covered product or fillings of the front teeth. 4. Subjects who have chronic diseases requiring regular administration, or who have severe diseases. 5. Subjects who have a medical history of serious disease e.g., diabetes, liver disease, kidney disease, and/or heart disease, thyroid gland disease, adrenal gland disease, and/or metabolic disorder. 6. Individuals who have a medical history of diseases affecting digestion and absorption. 7.Subjects who have participated other clinical studies within 1 month of giving the informed consent or who are planning to participate other clinical studies during this study. 8. Subjects who have a medical history of drug. dependence or alcohol dependence. 9. Subjects who are or willing to be pregnant, or who are breast-feeding during this study. 10. Subjects who are planning to have dental work done during this study. 11.Subjects who work in a company developing or manufacturing functional foods. 12. Subjects who are judged as unsuitable by doctor for other reasons.
Study & Design
- Study Type
- Interventional
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method Tooth staining
- Secondary Outcome Measures
Name Time Method