Classification

Type I: Oblique avulsion fractures of the upper part of the dens

Type II: Fractures at the junctions of the dens with the body of the axis (most common)

Type III: Fractures extend into the body of the axis

Explanation

Provide an explanation for key principles and pertinent aspects of the classification

Figures 

Reference(s)

Provide the citation for the landmark article and recent review articles describing the classification

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