Comparative Study of the Efficacy of Titanium Lag Screw and Titanium Miniplates for Internal Fixation of Anterior Mandibular Fractures
Journal Title: INTERNATIONAL JOURNAL OF SCIENTIFIC STUDY - Year 2017, Vol 5, Issue 2
Abstract
Introduction: The maxillofacial skeleton injuries occur due to a variety of causes, such as road traffic accidents, and sports injuries. The mandible is the second most commonly fractured bone of the maxillofacial skeleton because of its position and prominence. Although there is wide variance in the reported percentage of fracture of the anterior mandible (symphysis and parasymphysis), aggregate analysis places this at approximately 17% of all mandibular fractures. Materials and Methods: This study was conducted on 24 patients with clinical and radiological evidence of the anterior mandibular fracture. The patient was treated with two groups; Group A (n - 12) treated with titanium lag screw (2.5 mm lag screw); Group B (n - 12) treated with titanium miniplates (2 mm miniplates). Clinical and radiological evaluations were made at 6 months postoperatively. Intraoperatively, duration of surgery was measured from the time incision was placed till the closure of wound. Results: The results of our study suggest that there were no major differences in stability with lag screw and miniplates. Lag screws have the added advantage of achieving interfragmentary compression and stability with a minimum of implant material. The lag screw principle offers the advantages of fixation using minimal hardware, functional stability, is associated with minimal inflammatory complications and functional restriction, and has a lower incidence of infection when considering the treatment of linear, noncomminuted symphyseal region fractures. The procedure, however, requires more skill and expertise. Conclusion: The choice of suitable osteosynthesis material is an integral part of a treatment plan. Although the sample size is less, the results of our study suggest that there were no major differences in stability with lag screw and miniplates. Lag screws have the added advantage of achieving interfragmentary compression and stability with a minimum of implant material.
Authors and Affiliations
Dr Ranvijay
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