Shiva Raoufi1, Dowen Birkhed. 1. Department of Cariology, Institute of Odontology, Sahlgrenska Academy, University of Gothenburg, Sweden.
Abstract
AIM: To evaluate the potential of two whitening toothpastes on stain removal, using two different spectrophotometeric devices. DESIGN: In a randomised, double-blind clinical trial, 150 participants with tooth discolouration were assigned to use one of three toothpastes containing: hydroxyapatite, calcium peroxide and no active ingredient (placebo). They were examined at baseline and after 4, 8 and 12 weeks. MEASURES: Two methods of colour measurement were used: Vita Easyshade (Vita 3D-master scale) and Degudent Shadepilot (Classical Vitashade scale). RESULTS: No significant improvement was observed after using the two spectrophotometeric methods. However, a subjective lighter tooth colour and less staining were perceived by the participants in all three groups (not significant). Moreover, there was a significant improvement in the gingival and plaque index in all three groups after the 12 weeks. CONCLUSIONS: The toothpaste containing hydroxyapatite or calcium peroxide did not produce any reduction in tooth staining compared with a placebo fluoride toothpaste.
RCT Entities:
AIM: To evaluate the potential of two whitening toothpastes on stain removal, using two different spectrophotometeric devices. DESIGN: In a randomised, double-blind clinical trial, 150 participants with tooth discolouration were assigned to use one of three toothpastes containing: hydroxyapatite, calcium peroxide and no active ingredient (placebo). They were examined at baseline and after 4, 8 and 12 weeks. MEASURES: Two methods of colour measurement were used: Vita Easyshade (Vita 3D-master scale) and Degudent Shadepilot (Classical Vitashade scale). RESULTS: No significant improvement was observed after using the two spectrophotometeric methods. However, a subjective lighter tooth colour and less staining were perceived by the participants in all three groups (not significant). Moreover, there was a significant improvement in the gingival and plaque index in all three groups after the 12 weeks. CONCLUSIONS: The toothpaste containing hydroxyapatite or calcium peroxide did not produce any reduction in tooth staining compared with a placebo fluoride toothpaste.
Authors: Bruno G S Casado; Sandra L D Moraes; Gleicy F M Souza; Catia M F Guerra; Juliana R Souto-Maior; Cleidiel A A Lemos; Belmiro C E Vasconcelos; Eduardo P Pellizzer Journal: Int J Dent Date: 2018-10-30