Objective: To investigate the short-term effects of 3D-printed and prefabricated foot orthoses on the management of flat feet.
Design: In this single-blinded study, 63 patients with flat feet were enrolled via convenience sampling. They were randomly assigned to the control and experimental groups, receiving prefabricated and customized 3D-printed foot orthoses, respectively. The assessment tools included a Visual analog scale (VAS) and a modified Quebec User Evaluation of Satisfaction with Assistive Technology (QUEST) questionnaire. The patients scored their pain at weeks 0 and 4 using the VAS. At the end of week 4, patients completed the modified version of the QUEST questionnaire to record their satisfaction with the orthosis.
Results: VAS scores at week 0 for the two groups were not statistically significant (p > 0.05). At week 4, the VAS scores of the experimental group reduced significantly (p < 0.001), whereas the VAS scores of the control group remained statistically insignificant (p > 0.05). Modified QUEST questionnaire analysis revealed higher satisfaction with orthosis comfort and effectiveness in the experimental group than in the control, while factors like orthosis dimensions, weight, and durability did not differ significantly between groups.
Conclusions: Customized 3D-printed orthoses effectively reduced pain and enhanced patient satisfaction with comfort and effectiveness in 4 weeks.
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