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>Canine inclination, <i>α</i>-angle, to a vertical line traced between the two central incisors. In this example <i>α</i>-angle is 20°.</table>

BioMed Research International

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Figure 7

Figure 7: 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 7 | 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 