Objective To explore the aesthetic value of microabrasion combined with ICON resin inffltration in the restoration of white spot lesions after orthodontics. Methods A total of 76 patients with white spot lesions after orthodontics admitted to the Department of Comprehensive Dentistry, Afffliated Hospital of Chifeng University from January 2022 to October 2025 were selected, and they were divided into the control group and the experimental group by the random number table method, with 38 patients in each group. The control group was treated with microabrasion, and the experimental group was treated with ICON resin inffltration combined with microabrasion. The clinical efffcacy, tooth surface color, satisfaction and enamel hardness were compared between the two groups. Results The total effective rate of treatment in the experimental group (94.74%) was higher than that in the control group (73.68%) (P<0.05). The scores of color uniformity, color consistency with surrounding tooth tissues and total score in the experimental group after treatment were higher than those in the control group (P<0.05). The satisfaction rate of the experimental group was higher than that of the control group (P<0.05). The enamel hardness score of the experimental group was higher than that of the control group after treatment (P<0.05). Conclusion The combined application of ICON resin inffltration and microabrasion has a deffnite effect on improving white spot lesions after orthodontics, which helps to enhance tooth surface color and aesthetic restoration efffciency, and improve patient satisfaction.