Hagar M. El-Sherif, Sherif Ali , Mostafa Talaat And Fahmy Mubarak ,

ABSTRACT
Objective: The Aim Of The Current Study Was To Compare Clinically The Maximum Interincisal Mouth Opening After Reduction Of Angle Fracture Using Two Miniplates Versus Single (k) Shaped Plate. Patients And Methods: Thirty-eight Patients With A Mandibular Angle Fracture Were Treated Using Open Reduction And Internal Fixation Using Rigid Fixation. Patients Were Randomly Allocated According To Method Of Fixation Into Two Groups. The Intervention Was Treated With (K) Shaped Titanium Miniplate, While The Control Group Was Treated With Conventional Two Miniplates. Clinical Evaluation Of Maximum Interincisal Mouth Opening Was Done At One Week, One Month And Three Months Intervals.

Results: Statistical Analysis Was Performed Using SPSS (Statistical Package For The Social Sciences- IBM? SPSS? Statistics Version 20 For Windows, IBM Corp., Armonk, NY, USA). There Were No Statistically Significant Differences Between Both Groups In Maximal Mouth Opening Measurements At The Different Observation Periods. But We Also Found That The Mouth Opening In Single Fracture Site Group Showed Higher Values Than In Multiple Fracture Sites Group. This Difference Was Statistically Significant After 1 Week And Three Months & It Occurred Faster In Intervention Group (K Plate) Conclusion: Both Methods Offered High Performance In Management Of Mandibular Angle Fractures. However, (K) Plate Group Had Faster Return To Mouth Opening As (K) Plate Is A 3D Single Plate. Its Insertion Needs Less Dissection Of Tissues & Less Operation Time Which Lead To Less Postoperative Edema & Faster Regain Of Mouth Opening.