Can the chlorhexidine gluconate solution potentiate the staining of polycrystalline ceramic brackets?

Keywords: Orthodontic brackets, Mouthwashs, Ceramics.

Abstract

Aim: The present study aimed to assess, in vitro, the effect of chlorhexidine on the potentiation of polycrystalline ceramic bracket staining. Methods: Seventy-two polycrystalline ceramic brackets of upper right central incisors were divided into six groups (n=12) according to immersion solution. The groups were G1 - distilled water (control); G2 - chlorhexidine; G3 - coffee; G4 - red wine; G5 - chlorhexidine associated with coffee; and G6 - chlorhexidine associated with red wine. The samples were analyzed by means of a spectrophotometer according to the CIEL*a*b* system, and color change (ΔE*) was calculated. The readings were performed at the following times: T0 - After package removal and T1 - After staining. The data were analyzed by Kruskal Wallis and t tests (p<0.05) at 5% significance level. Results: The total color variation (ΔE*) was greater in the group that received chlorhexidine associated with red wine (p<0.05) and lower in the groups that received distilled water. All other groups showed greater value variations when compared to G1 and G2. Group G6 showed a greater color change due to the potentiation of chlorhexidine with the dye substance. Conclusion: It is concluded that chlorhexidine potentiates the staining caused by red wine in polycrystalline ceramic brackets.

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Author Biographies

Catharina e Silva Monteiro Barros, Araras School of Dentistry

Departament of Orthodontics, Araras Dental School, Uniararas, Araras, SP, Brazil.

Jose Guilherme Neves, Piracicaba Dental School

Department of Restorative Dentistry - Dental Materials Division, Piracicaba Dental School, Unicamp, Piracicaba, SP, Brazil.

Ana Paula Terossi de Godoi, Araras Dental School

Departament of Orthodontics, Araras Dental School, Uniararas, Araras, SP, Brazil.

Ana Rosa Costa, Piracicaba Dental School

Department of Restorative Dentistry - Dental Materials Division, Piracicaba Dental School, Unicamp, Piracicaba, SP, Brazil.

Mario Vedovello Filho, Araras Dental School

Departament of Orthodontics, Araras Dental School, Uniararas, Araras, SP, Brazil.

Heloisa Cristina Valdrighi, Araras Dental School

Departament of Orthodontics, Araras Dental School, Uniararas, Araras, SP, Brazil.

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Published
2019-12-19
How to Cite
Barros, C. e S. M., Neves, J. G., Godoi, A. P. T. de, Costa, A. R., Filho, M. V., & Valdrighi, H. C. (2019). Can the chlorhexidine gluconate solution potentiate the staining of polycrystalline ceramic brackets?. Brazilian Journal of Oral Sciences, 18, e191647. https://doi.org/10.20396/bjos.v18i0.8657417
Section
Article