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  • Title: Efficacy of microabrasion and resin infiltration techniques for masking of fluorotic white spot lesions: A randomized clinical study.
    Author: Asthana G, Patel K, Parmar R.
    Journal: J Conserv Dent Endod; 2023; 26(6):677-681. PubMed ID: 38292742.
    Abstract:
    AIM: The aim of the study was to compare the esthetic treatment outcome and quantification of tooth color changes using microabrasion and resin infiltration techniques of fluorotic white spot lesions (WSLs). SUBJECTS AND METHODS: Sixty-six teeth with fluorotic small opaque white areas involving 25%-50% (very mild/mild fluorosis) of the surface were randomly assigned into two groups for microabrasion and resin infiltration techniques. To quantify tooth color changes, depicted by Delta E (DE), photographic analysis was performed using Adobe Photoshop CS5 Extended version by measuring Commission Internationale de l'Eclairage L*a*b* values of each tooth at two points, i.e. one at WSL and the other one at sound adjacent enamel. STATISTICAL ANALYSIS USED: Data were analyzed with t-test using SPSS software version 23. RESULTS: L*value (decrease in whiteness) of posttreatment WSL decreased in both groups but was higher in the resin infiltration group, which was statistically significant. There were no statistically significant changes observed in a* and b* values of WSL in both groups. DE value difference of pre and postoperative was higher in the resin infiltration group, which was statistically significant which indicated the stability of color obtained by the resin infiltration group. CONCLUSIONS: Resin infiltration technique is more efficient in the immediate elimination of fluorotic WSL than microabrasion.
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