ObjectiveTo investigate the clinical effect of 3D printing technology in treatment of high-energy Pilon fractures. MethodsA total of 62 patients with high-energy Pilon fractures were divided into control group (31 cases) and research group (31 cases) according to the treatment plan. The control group were treated with open reduction and internal fixation by routine method, the research group were treated with surgical therapy according the physical model printed by 3D printing technology. The two groups of patients were followed up for 1 years. The clinical effect, adverse reaction rate, operation condition and preoperative and postoperative ankle function scores were compared between the two groups. ResultsThe total effective rate of the research group was 90.32%, significantly higher than 64.52% of the control group (P＜0.05); The operation indexes of the research group were better than those of the control group (P＜0.05); Before treatment, the ankle function scores of the two groups had no obvious difference (P＜0.05); After treatment, the ankle function scores of the research group were higher than those of the control group (P＜0.05); The incidence rate of research group was 6.46%, significantly lower than 38.73% of the control group (P＜0.05). Conclusion3D printing technology in the treatment of high-energy Pilon fractures has curative effect, can improve the ankle joint function,and reduce operation time, amount of bleeding and adverse effects rate. It has significance on postoperative functional recovery and security, worth promoting.

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