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Characteristics of the materials used in this study.
| Group | Material | Type | Composition | Manufactured | Batch Number |
|---|---|---|---|---|---|
| 1 | Perfect Bleach Office+ | Professional whitening agent | Hydrogen peroxide 35% (activated gel) | Voco GmbH, Cuxhaven, Germany | 1902200 |
| 2 | Perfect Bleach | Home whitening agent | Carbamide peroxide 16% (activated gel) | Voco GmbH, Cuxhaven, Germany | 1903699 |
| 3 | Remin Pro | Prophylaxis paste | Hydroxyapatite, sodium fluoride (1450 ppm fluoride), xylitol | Voco GmbH, Cuxhaven, Germany | 1809775 |
