Abstract: Objective: To evaluate the efficacy of Beyond cold-light tooth bleaching combined with de-fluoride on dental fluorosis. Methods: Forty patients with dental fluorosis were treated with Beyond cold-light tooth bleaching combined with de-fluoride. Before and after bleaching, the whitening effects were evaluated by Vita shade guide and white photographic. Results: Cold light bleaching combined with de-fluoride successfully improved tooth color more than six levels. Conclusion: Beyond bleaching technique combined with de-fluoride is a simple and effective treatment on dental fluorosis.

Key words: Tooth bleaching, Dental fluorosis, De-fluoride