In Vitro Efficacy of Listerine Whitening Mouthwash for Color Recovery of Two Discolored Composite Resins
Objectives: Color stability of composite resins plays an important role in their longevity and clinical service. Considering the increasing use of composite resins and their discoloration over time, this study aimed to assess the efficacy of Listerine whitening mouthwash for color recovery of two discolored composite resins.
Materials and Methods: This in vitro experimental study was performed on 20 samples fabricated of Filtek Z350XT and IPS Empress Direct composite resins. Primary colorimetry was performed using a spectrophotometer. The samples were immersed in coffee drink for 7 days. They were then immersed in Listerine mouthwash for 4 minutes daily for 56 days. The color change of composite resins was evaluated again . Data were analyzed using ANOVA and t-test.
Results: The primary color change of Z350XT after immersion in coffee was 1.6 times that of IPS composite (P<0.0001). The color recovery of IPS and Z350 XT was 1.06±0.58 (P<0.01) and 2.58±1.65 (P<0.001) units, respectively after immersion in mouthwash. The color change of Z350XT after exposure to mouthwash was 25% (1.4 times) greater than that of IPS (P<0.01).
Conclusion: Both composite resins experienced clinically unacceptable discoloration after exposure to coffee (∆E>3.3). Filtek Z350XT showed greater color change than IPS. Use of Listerine whitening mouthwash caused significant color recovery in both composite resins.
Keywords: Listerine Whitening Mouthwash; Color Recovery; Discoloration; Composite Resins; Coffee; Spectrophotometry
Harorlı OT, Barutcigil Ç. Color recovery effect of commercial mouth rinses on a discolored composite. Journal of Esthetic and Restorative Dentistry. 2014 Aug 1;26(4):256-63.
ElEmbaby AE. The Effects of Mouth Rinses on the Color Stability of Resin‐Based Restorative Materials. Journal of Esthetic and Restorative Dentistry. 2014 Aug 1;26(4):264-71.
Karadas M, Alkurt M, Duymus ZY. Effects of hydrogen peroxide-based mouthwashes on color changes of stained direct composite resins. Journal of Restorative Dentistry. 2016 Jan 1;4(1):11.
Garoushi S, Lassila L, Hatem M, Shembesh M, Baady L, Salim Z, Vallittu P. Influence of staining solutions and whitening procedures on discoloration of hybrid composite resins. Acta Odontologica Scandinavica. 2013 Jan 1;71(1):144-50.
Villalta P, Lu H, Okte Z, Garcia-Godoy F, Powers JM. Effects of staining and bleaching on color change of dental composite resins. Journal of Prosthetic Dentistry. 2006 Feb 1;95(2):137-42.
Celik C, Yuzugullu B, Erkut S, Yamanel K. Effects of mouth rinses on color stability of resin composites. European journal of dentistry. 2008 Oct;2:247.
Zajkani E, Abdoh Tabrizi M, Ghasemi A, Torabzade H, Kharazifard M. Effect of staining solutions and repolishing on composite resin color change. Journal of Islamic Dental Association of Iran. 2013 Jul 15;25(2):116-23.
Lima FG, Rotta TA, Penso S, Meireles SS, Demarco FF. In vitro evaluation of the whitening effect of mouth rinses containing hydrogen peroxide. Brazilian oral research. 2012 Jun;26(3):269-74.
Kazemi AD, Johar N. The Color Effect of Bleaching Agent on Different Composite Restoration Materials after Aging. Journal of International Oral Health. 2016 Jun 1;8(6):697.
Al-Samadani KH. The Effect of Preventive Agents (Mouthwashes/Gels) on the Color Stability of Dental Resin-Based Composite Materials. Dentistry Journal. 2017 Jun 15;5(2):18.
Leal JP, da Silva JD, Leal RF, Oliveira-Júnior CD, Prado VL, Vale GC. Effect of Mouthwashes on Solubility and Sorption of Restorative Composites. International journal of dentistry. 2017;2017.
Baig AR, Shori DD, Shenoi PR, Ali SN, Shetti S, Godhane A. Mouthrinses affect color stability of composite. Journal of conservative dentistry: JCD. 2016 Jul;19(4):355.
Raeisosadat F, Tabrizi MA, Zonooz SH, Nakhostin A, Raoufinejad F, Javid B, Zavare FJ. Staining Microhybrid Composite Resins with Tea and Coffee. Avicenna Journal of Dental Research. 2017;9(1).