Fig. 3From: Reconsideration of the transoral odontoidectomy in complex craniovertebral junction patients with irreducible anterior compressiona The Davis mouth gag was placed and bilateral catheters were ligated to expose the posterior pharyngeal wall. b Using a diamond microdrill to remove the C2 vertebral body. c Gently removing the residual bony strip with a Kerrison to expose the dura mater. d The dura mater was clearly exposed and the odontoid process was completely resectedBack to article page