KPG Index versus OPG Measurements: A Comparison between 3D and 2D Methods in Predicting Treatment Duration and Difficulty Level for Patients with Impacted Maxillary Canines

<table>Mesiodistal position of the canine tip with respect to the adjacent teeth. In this example the canine is distal to the lateral, corresponding to an easier treatment according to Ericson and Kurol.</table>

BioMed Research International

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Figure 6

Figure 6: KPG Index versus OPG Measurements: A Comparison between 3D and 2D Methods in Predicting Treatment Duration and Difficulty Level for Patients with Impacted Maxillary Canines 

Figure 6 | KPG Index versus OPG Measurements: A Comparison between 3D and 2D Methods in Predicting Treatment Duration and Difficulty Level for Patients with Impacted Maxillary Canines 