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  Indian J Med Microbiol
 

Figure 5: Note the direction of the right supplementary screw from the base of the odontoid to the apex in the illustrated image (a). Lastly, left transarticular screw is seen penetrating or fixating the lateral mass and the right supplementary screw is seen into the pedicle, (opened the roof) fixating the odontoid process in compression (b), the tip of the screw is in the apex of the odontoid process (cadaveric study)

Figure 5: Note the direction of the right supplementary screw from the base of the odontoid to the apex in the illustrated image (a). Lastly, left transarticular screw is seen penetrating or fixating the lateral mass and the right supplementary screw is seen into the pedicle, (opened the roof) fixating the odontoid process in compression (b), the tip of the screw is in the apex of the odontoid process (cadaveric study)