Avaliação in vitro da eficácia de dentifrícios clareadores: análise da alteração de cor
The growing aesthetic appeal in society increases the search for dental whitening treatments and for consequence the commercialization of products such as whitening toothpastes. OBJECTIVE: to evaluate the influence of different whitening dentifrices on the whitening effect when compared to at-...
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| Formato: | bachelorThesis |
| Idioma: | pt_BR |
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Universidade Federal do Rio Grande do Norte
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| Endereço do item: | https://repositorio.ufrn.br/handle/123456789/52968 |
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| Resumo: | The growing aesthetic appeal in society increases the search for dental whitening
treatments and for consequence the commercialization of products such as whitening
toothpastes. OBJECTIVE: to evaluate the influence of different whitening dentifrices
on the whitening effect when compared to at-home bleaching based on 35% hydrogen
peroxide. METHODOLOGY: 50 bovine incisors without pigmentation or fractures were
selected so that 6mm x 6mm specimens could be made. The initial color measurement
was performed using a ShadeEye NCC ®️ colorimeter, according to the CIE L * a * b *
system. The samples were immersed in a black tea solution for artificial pigmentation,
1 hour a day per 15 days. The selected samples were divided into five groups (N=10):
CPH GROUP - bleaching based on 35% hydrogen peroxide submitted to simulated
toothbrushing with conventional toothpaste (Colgate Maxima Anticaries Protection);
PH GROUP: simulated brushing with Colgate Luminous White Expert whitening
dentifrice based on 1% hydrogen peroxide; GROUP S: simulated toothbrushing with
Colgate Luminous White Brilliant Mint whitening dentifrice based on hydrated silica;
GROUP CA: simulated toothbrushing with Colgate Luminous White Activated
Charcoal-based dentifrice. The final color measurement was taken and finally, a
statistical analysis was performed involving a parametric method using repeated
measures analysis of variance (ANOVA) followed by Tukey's Post-test (p < 0.05).
RESULTS: In the final evaluation, it was observed that only the CPH group had a WID
value that was statistically significantly higher than the other groups in the study.
CONCLUSION: Bleaching based on 35% hydrogen peroxide has a greater bleaching
potential than whitening dentifrices, but further studies are needed. |
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