Abstract
The inner osseous architecture of 108 ascending rami of human mandibles has been studied. Planimetric readings have shown a gradual decrease of the Medulla/Cortex ratio from the most anterior to the most posterior transverse section. The angulation of the main buttress of the ascending ramus, the ramal trajectory, was found to be in direct proportion to the angulation of the ramus with the body. An important zone of non-compact cancellous bone was identified above and in front of the angle. The position of the mandibular canal was also determined. Certain surgical applications with regard to the sagittal osteotomy have been suggested as a result of the findings in this investigation.
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