Can an LED-laser hybrid light help to decrease hydrogen peroxide concentration while maintaining effectiveness in teeth bleaching?
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Data
2015
Autores
Martín, J.
Ovies, N.
Cisternas, P.
Fernández, E. [UNESP]
Oliveira Júnior, Osmir Batista de [UNESP]
Andrade, M. F. de [UNESP]
Moncada, G. [UNESP]
Vildósola, P. [UNESP]
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Resumo
The aim of this study was to compare the bleaching efficacy of 35% hydrogen peroxide and 15% hydrogen peroxide with nitrogen-doped titanium dioxide catalysed by an LED-laser hybrid light. We studied 70 patients randomized to two groups. Tooth shade and pulpal sensitivity were registered. Group 1: 15% hydrogen peroxide with nitrogen-doped titanium dioxide. Group 2: 35% hydrogen peroxide. Both groups were activated by an LED-laser light. No significant differences were seen in shade change immediately, one week or one month after treatment (p > 0.05). Differences were seen in pulpal sensitivity (p < 0.05). The use of an LED-laser hybrid light to activate 15% hydrogen peroxide gel with N_TiO2 permits decreasing the peroxide concentration with similar aesthetic results and less pulpal sensitivity than using 35% hydrogen peroxide for bleaching teeth.
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LED-laser light, Nitrogen-doped titanium dioxide, Teeth bleaching, Pulpal sensitivity
Como citar
Laser Physics, v. 25, n. 2, p. 025608-5, 2015.