Comparison of bone supported arch bars, Intermaxillary Fixation Screws and Conventional arch bar in Maxillo-Mandibular fixation- A Randomised Control Study.

Ø To evaluate Bone supported Ezy arch bars, IMF screws and Erich’s arch bar in Maxillo-Mandibular fixation in terms of surgical time taken, glove perforation post operative occlusion, IMF stability, oral hygiene, screw assesment, mucosal ulcerations and non vitality characteristics at preoperative, Ist week, 6th week postoperatively Radiological assessment-  loss of screw, screw breakage, screw covered by mucosa and iatrogenic damage to dental roots in IMF screws and EZY arch bars postoperatively. Functional assessment- post operative occlusion and IMF stability were recorded as satisfactory and non satisfactory based on Angle’s classification. Mucosal ulcerations caused by the hardware were assessed. Pre and post operative tooth vitality by the help of Electrical Pulp Tester. Needle stick injury or perforations assessed by water inflation method. Intraoperative assessment-. Surgical time-Stopwatch. Oral hygiene assessment-  OHI-S   given by Greene and vermillion.