Group |
Whitening agent / Manufacturer |
Composition | Treatment |
---|---|---|---|
OP38 | Opalescence Boost PF 38% / Ultradent Products, South Jordan, UT, USA. | Hydrogen peroxide 38%, potassium nitrate and fluoride. | 2 X 15 min/day, 1 session/week, for 3 weeks. |
PO37 | Pola Office 37.5% / SDI Limited, Bayswater, Victoria, Australia. | Hydrogen peroxide 37.5%, additives, glycerol, water and aromas. | 30 min/day, 1 session/week, for 3 weeks. |
CO (CONTROL) |
- | - | Without treatment. (this group was used only for the IC test) |