2020, Number 3
Color luminosity regression after home tooth whitening in smoking and nonsmoking patients
Language: Spanish
References: 12
Page: 1-12
PDF size: 294.01 Kb.
ABSTRACT
Introduction: Many studies have been conducted about the effectiveness of tooth whitening, but few refer to color regression (a phenomenon occurring after tooth whitening) or to smoking patients.Objective: Determine color luminosity regression in smoking and nonsmoking patients undergoing home tooth whitening with 10 % carbamide peroxide.
Methods: A descriptive cross-sectional study was conducted of 43 patients from a group of 60 previously undergoing home treatment with 10 % carbamide peroxide for 3 weeks. The patients were divided into an experimental group (EG, smoking patients) and a control group (CG, nonsmoking patients). A Vita Easyshade® spectrophotometer was used to measure color variation one week, one month, 6 months and 9 months after whitening. The data obtained by spectrophotometry were analyzed with the Shapiro-Wilk and the Kolmogorov-Smirnov tests to evaluate the normality of the distribution, and then they were subjected to the Mann-Whitney-Wilcoxon U test (α = 0,05).
Results: Delta L* was 2,3 (EG) and 3,66 (CG); delta values were estimated from data obtained 9 months vs. one week after whitening. No statistically significant differences were found between the groups.
Conclusions: No statistically significant color regression differences are found in either smoking or nonsmoking patients after home whitening with 10 % carbamide peroxide.
REFERENCES
Fernandez E, Bersezio C, Bottner J, Avalos F, Godoy I, Inda D, et al. Longevity, Esthetic Perception, and Psychosocial Impact of Teeth Bleaching by Low (6 %) Hydrogen Peroxide Concentration for In-office Treatment: A Randomized Clinical Trial. Operative dentistry 2017 [acceso: 06/01/2020]; 42(1). Disponible en: https://www.jopdentonline.org/doi/pdf/10.2341/15-335-C
de Geus JL, Fernandez E, Kossatz S, Loguercio AD, Reis A. Effects of At-home Bleaching in Smokers: 30-month Follow-up. Operative dentistry 2017 [acceso: 06/01/2020];42(6). Disponible en: https://www.jopdentonline.org/doi/10.2341/16-126-C?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub%3dpubmed
Bersezio C, Ledezma P, Estay J, Mayer C, Rivera O, Fernandez E. Color Regression and Maintenance Effect of Intracoronal Whitening on the Quality of Life: RCT-A One-year Follow-up Study. Operative dentistry 2019 [acceso: 06/01/2020]; 44(1). Disponible en: https://www.jopdentonline.org/doi/10.2341/17-288-C?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub%3dpubmed
Vildosola P, Bottner J, Avalos F, Godoy I, Martin J, Fernandez E, et al. Teeth bleaching with low concentrations of hydrogen peroxide (6 %) and catalyzed by LED blue (450 +/- 10 nm) and laser infrared (808 +/- 10 nm) light for in-office treatment: Randomized clinical trial 1-year follow-up. Journal of esthetic and restorative dentistry: official publication of the American Academy of Esthetic Dentistry 2017 [acceso: 06/01/2020];29(5). Disponible en: https://onlinelibrary.wiley.com/doi/full/10.1111/jerd.12318
Paravina RD, Ghinea R, Herrera LJ, Bona AD, Igiel C, Linninger M, et al. Color difference thresholds in dentistry. Journal of Esthetic and Restorative Dentistry: Official Publication of the American Academy of Esthetic Dentistry 2015 [acceso: 06/01/2020]; 27(Suppl. 1). Disponible en: https://onlinelibrary.wiley.com/doi/full/10.1111/jerd.12149