title: Color Properties of Demineralized Enamel Surfaces Treated with a Resin Infiltration System.
abstract: To assess color properties of white spot lesions (WSLs) following resin infiltration treatment in vitro.
  
  
  
  WSLs were artificially created on 30 extracted human teeth. Two groups were formed: (a) control, and (b) resin infiltrant group (n = 15, each). Instrumental color measurements were performed using a spectrophotometer and visual color evaluation was performed by three independent evaluators. Color assessment was determined at three time points: baseline (T0), after WSL formation (T1), and after resin infiltrant or control treatment (T2). CIELAB color coordinates were determined and the resultant color difference (ΔE*) was calculated between the time points. Two-way repeated measures analysis of variance (ANOVA) and One-way ANOVA analyses were used to evaluate the color changes. Pearson chi-square analysis was performed to evaluate the visual ratings between treatment and control groups. Level of significance was set p <0.05.
  
  
  
  After treatment of WSLs there was a significant color change (ΔE*) between treatment and control groups (p <0.05). Resin infiltration group showed a regression of all values toward the pretreatment levels. There was a significant difference in visual evaluation ratings between groups after treatment; treatment group had all surfaces receive a rating of being clinically acceptable, with 73% of these surfaces having no perceptible color difference to adjacent sound enamel. Meanwhile, control group received ratings of all surfaces having a visual color difference that was deemed as unacceptable (p < 0.05).
  
  
  
  In-vitro resin infiltration for the treatment of enamel WSLs produced a significant improvement in color, reverting L*, a*, and b* values back toward baseline values.
  
  
  
  Resin infiltration of enamel white spot lesions on teeth is capable of managing the esthetic problem by reverting the L*, a*, and b* color coordinates back to their baseline values. (J Esthet Restor Dent 28:339-346, 2016).
authors.affiliation: Orthodontist, Private Practice, Kalamazoo, MI, USA.
authors.forename: Kevin
authors.initials: K
authors.lastname: Hallgren
authors.affiliation: Associate Professor and Program Director, Tufts University, School of Dental Medicine, Department of Orthodontics, Boston, MA, USA. sercan.akyalcin@tufts.edu.
authors.forename: Sercan
authors.initials: S
authors.lastname: Akyalcin
authors.affiliation: Professor and Chair, The University of Texas at Health Science Center at Houston, School of Dentistry, Department of Orthodontics, Houston, TX, USA.
authors.forename: Jeryl
authors.initials: J
authors.lastname: English
authors.affiliation: Associate Professor, Virginia Commonwealth University, School of Dentistry, Department of Orthodontics, Richmond, VA, USA.
authors.forename: Eser
authors.initials: E
authors.lastname: Tufekci
authors.affiliation: Professor and Director, Department of Restorative Dentistry and Prosthodontics, Houston Center for Biomaterials & Biomimetics, University of Texas School of Dentistry at Houston, Houston, TX.
authors.forename: Rade D
authors.initials: RD
authors.lastname: Paravina
mesh_terms: D003116:Color; D003731:Dental Caries; D003743:Dental Enamel; D006801:Humans; D012117:Resins, Synthetic; D013053:Spectrophotometry
chemical_list: D012117:Resins, Synthetic