Relation of the SNA angle to the NSAr angle in excellent occlusion and in malocclusion.

The correlation between the NSAr and the SNA angles was studied in two separate samples. The first sample consisted of twenty young adults with excellent Class I (Angle) occlusion and proportionate facial skeleton, and the second sample consisted of sixty-one children with Class II, Division 1 (Angle) malocclusion. In the excellent-occlusion group, the… (More)