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  • Title: Locking Miniplate Osteosynthesis of Anterior Mandibular Fractures-Quo Vadis?
    Author: Desai V, Jain MK.
    Journal: J Oral Maxillofac Surg; 2019 May; 77(5):1041.e1-1041.e9. PubMed ID: 30796907.
    Abstract:
    PURPOSE: This study compared the clinical stability and efficacy of locking miniplates with those of standard miniplates in the osteosynthesis of anterior mandibular fractures using bite force recordings and other clinical parameters. MATERIALS AND METHODS: A prospective randomized double-blinded clinical trial was carried out in patients from various hospitals of Hassan (India). Patients were randomly divided into 2 groups of locking (test) and standard (control) miniplate osteosynthesis. Bite force measurements were performed preoperatively and postoperatively at weekly intervals for 6 weeks using a bite force recorder. As a secondary outcome, patients also were assessed for other clinical parameters that might interfere with successful osteosynthesis at the fracture site. Appropriate statistical testing for intra- and intergroup measurements was carried out. RESULTS: Forty-eight men 28 ± 12.3 years old met the inclusion criteria (24 patients in each group). A statistically significant difference (P < .05) was found in the incisor bite force between the 2 groups, with values in the locking group exceeding those in the standard group at postoperative weeks 2 and 5. Duration of surgery was shorter in the locking group (P = .015). No relevant difference was found for the other clinical parameters. CONCLUSIONS: Bite force statistically increased at progressive follow-up visits compared with the preoperative recording in the locking group. Bite force recordings of patients treated with locking plates were higher and statistically relevant compared with those of patients treated with standard miniplates at the incisor region at postoperative weeks 2 and 5. The clinical outcomes of the 2 miniplate systems in the present study were similar; however, the locking miniplates required a relatively shorter operating time, produced less trauma to the periosteum and soft tissues with less hardware, and can be used as a "1-plate-for-all" system.
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