The aim of this study was to evaluate the efficiency of new titanium miniplate design (Modified Champy) resistance against the mechanical forces in mandible angle fracture. Thirty fresh sheep hemimandibles were assigned into three major ( n = 10) and two subgroups ( n = 5) and sectioned in the mandibular angle region to simulate the fracture. The bone segments fixed by 6 holes 2.0 mm non-compresion titanium miniplate via champy method and 6 holes 2.0 mm ‘k’ shaped titanium miniplate with 2.0 mm × 6 mm monocortical screws. After fixation hemimandibles were loaded in comprensive strength until a 4 mm displacement or fixation loose occured between the segments, vertically, horizontally and sagitally. ‘k’ shaped miniplate system (Modified Champy Technique) provided significantly greater resistance to displacement than conventional miniplate system (Champy Technique) ( p < .01).
A new ‘k’ shaped miniplate design for mandible angle fractures—mechanical test study
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