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South African Dental Journal

On-line version ISSN 0375-1562
Print version ISSN 0011-8516


GROBLER, SR  and  OSMAN, Y. Insights into the clinical effectiveness of whitening products. Part 2 Dentist-supervised-at-home LED gel bleaching product. S. Afr. dent. j. [online]. 2017, vol.72, n.1, pp.30-31. ISSN 0375-1562.

This section of the report is about the success of a dentist-supervised-at home LED gel tooth whitener, giving the results of a clinical study. The product (LED light gel with 44% carbamide peroxide) was applied by the dentist on teeth 11 and 21 in the chair for 10 minutes. The process was repeated three times, followed by an at-home treatment period (30 minutes/day) of 14 days with 35% carbamide peroxide. The treatment was as outlined by the manufacturers. The L* value improved (more white) after the in-chair treatment with the LED system but showed no further significant increase after the 14 day at-home treatment. However, the b* value improved (less yellow), after both the LED treatment and 14 day at-home treatment. The a* value did not improve significantly throughout the treatments. The LED system provides in-chair tooth whitening after a 14 day treatment although not as effectively as does Opalescence.

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