A comparative analysis of the efficacy of cortical screws as lag screws and miniplates for internal fixation of mandibular symphyseal region fractures: a randomized prospective study. 2014

A Agnihotri, and S Prabhu, and S Thomas
Department of Oral and Maxillofacial Surgery, People's College of Dental Sciences and Research Centre, Bhanpur, Bhopal, Madhya Pradesh, India. Electronic address: dramit_agnihotri@yahoo.com.

The management of facial trauma is one of the most rewarding and demanding aspects of oral and maxillofacial surgery. Being the most prominent mobile bone of the facial skeleton, mandible fracture occurs more frequently than any other fracture. In this study, open reduction and internal fixation was performed for isolated mandibular symphyseal region fractures using cortical screws (as lag screws) in 40 patients and using miniplates in 40 patients. Clinical and radiological evaluations were made at 6 months postoperatively. Primary stability of fracture segments, postoperative swelling, restricted lip mobility, infection, wound dehiscence, implant removal, and mal-union or non-union of fracture segments was evaluated. Primary stability was achieved in 100% of cases treated with cortical screws, whereas for patients treated with miniplates, 97.5% attained primary stability, while one case (2.5%) showed persistent clinical mobility. Postoperative complications were noted in 13 (16.25%) of the total 80 patients. The duration of postoperative swelling was less in patients treated with cortical screws compared to patients treated with miniplates. It is concluded that cortical screw fixation is an effective procedure for the treatment of symphyseal region fractures, but the procedure is somewhat technically sensitive.

UI MeSH Term Description Entries
D008297 Male Males
D008337 Mandibular Fractures Fractures of the lower jaw. Fracture, Mandibular,Fractures, Mandibular,Mandibular Fracture
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D011446 Prospective Studies Observation of a population for a sufficient number of persons over a sufficient number of years to generate incidence or mortality rates subsequent to the selection of the study group. Prospective Study,Studies, Prospective,Study, Prospective
D011862 Radiography, Panoramic Extraoral body-section radiography depicting an entire maxilla, or both maxilla and mandible, on a single film. Orthopantomography,Panoramic Radiography,Pantomography,Orthopantomographies,Panoramic Radiographies,Pantomographies,Radiographies, Panoramic
D001860 Bone Plates Implantable fracture fixation devices attached to bone fragments with screws to bridge the fracture gap and shield the fracture site from stress as bone heals. (UMDNS, 1999) Bone Plate,Plate, Bone,Plates, Bone
D001863 Bone Screws Specialized devices used in ORTHOPEDIC SURGERY to repair bone fractures. Bone Screw,Screw, Bone,Screws, Bone
D005260 Female Females
D005593 Fracture Fixation, Internal The use of internal devices (metal plates, nails, rods, etc.) to hold the position of a fracture in proper alignment. Osteosynthesis, Fracture,Fixation, Internal Fracture,Fixations, Internal Fracture,Fracture Fixations, Internal,Fracture Osteosyntheses,Fracture Osteosynthesis,Internal Fracture Fixation,Internal Fracture Fixations,Osteosyntheses, Fracture
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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