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![Open reduction and internal fixation in temporomandibular joint traumatology: current concepts and future perspectives](https://image.oaes.cc/b192a367-a92c-49a8-b726-5a665a5bdab3/2976.fig.7.jpg)
Figure 7. Classification of condylar process fractures according to Loukota et al.[45] in 2005 left hand side according to the 50:50 rule; right hand side Arbeitsgemeinschaft für Osteosynthesefragen - classification proposal, now differentiating between base and neck fractures according to a 1/3 to 2/3 rule with regard to a reference line through the sigmoid notch perpendicular to the posterior border line (tangent). The head area is defined by a sphere comprising the lateral condylar pole zone[1]