Frontal sinus fractures (5–15 % of maxillofacial injuries) pose significant clinical challenges due to risks of cosmetic defects, functional impairment, and complications like post-traumatic sinusitis. This study presents a minimally invasive surgical technique for depressed comminuted fractures using external fragment immobilization.Methods: 36 patients (aged 16–27) with 7–10mm displaced fractures underwent CT with 3D reconstruction. Surgical treatment involved percutaneous reduction using Limberg’s hook through a 1.5–3mm incision, followed by fixation with a perforated titanium plate removed on day 5. Results. All cases showed excellent anatomical restoration and sinus function. Late- presentation cases (17–56 days post-injury) required more extensive reduction but achieved comparable outcomes. Bacterial growth was detected in 62.5 % of cases, with 3rd-gen cephalosporins proving most effective. Conclusions. The developed method combines minimal invasiveness, precise repositioning of fragments and reliable fixation, which ensures a good cosmetic and functional result. The optimal time for intervention is up to 5–6 days after injury.
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