Concealment effect of resin infiltration on incisor of Grade I molar incisor hypomineralization patients: An in vivo study

CONTEXT: Molar incisor hypomineralization (MIH) is a commonly occurring esthetic setback among patients. Depending on the graveness of the lesion, esthetics of MIH can be improved by treatments such as enamel microabrasion, bleaching, composite resin bonding, and the combination of some or all of these techniques. AIM: The aim of this study is to evaluate the esthetic results of resin infiltration treatment on incisors with Grade I molar incisor MIH. MATERIALS AND METHODS: A total of 22incisor lesions with MIH were infiltrated with resin. Photographs were captured before infiltration, just after infiltration, and 6 months after infiltration. The photographic evaluation was done by the CIE L*a*b* scoring method. The means of each parameter such as ΔL and ΔE were calculated. STATISTICAL ANALYSIS: ANOVA in conjunction with Turkey's post hoc test was used to evaluate the means. RESULTS: The total color change observed was equal just after treatment and 6 months after treatment, with no statistically significant difference (P = 0.87) between these two time points. The mean of difference in total color change (ΔE(3)) of white tooth discoloration was 13.2 SD 6.8, showing an overall color change. CONCLUSION: Infiltration can conceal the white opaque appearance of Grade I MIH lesions, and also reduction in lesion whiteness is seen with time.