Common injuries and radiographic appearances Introduction Radiography of the mandible is still a relatively common examination which plays a central role in the initial management of facial trauma1, despite increasing evidence supporting the role of computerised tomography (CT) in the assessment of complex mandible fractures8. Figure 5 shows a logical system for assessing an OPG radiograph: start by picking a point on the cortical margin of the mandible and follow this carefully all the way round the edge until you reach the start point. In this case, image 4 demonstrates fractures through the right angle and left body of the mandible, both of which are related to the roots of teeth, which frequently occurs due to the relative weakness at these points.
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