Participation will involve:
- Three visits, about 20 to 40 minutes each, between June 3 and July 18.
- Eligible volunteers can receive up to $115 for completion of the study.
To be eligible, you must:
- Be 18 years or older.
- Be in general good health.
- Not receiving treatment for periodontal disease.
- Not have braces on your front teeth.
- Have visible stain on your front teeth (from tea, coffee or cigarettes).
For more information, call 816-235-2200 or email firstname.lastname@example.org.