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| Methods | Randomised, controlled, examiner‐blinded, parallel‐group clinical study to determine efficacy of tooth‐whitening gel when used once daily at night, as compared with a commercially available dentifrice |
| Participants | 75 adults |
| Interventions | Non‐whitening dentifrice only A tooth‐whitening gel with a commercially available dentifrice |
| Outcomes | Change in tooth colour |
| Notes | Full text not available |
