Marc B Ackerman

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This retrospective study was conducted to measure lip-tooth characteristics of adolescents. Pretreatment video clips of 1242 consecutive patients were screened for Class-I skeletal and dental patterns. After all inclusion criteria were applied, the final sample consisted of 50 patients (27 boys, 23 girls) with a mean age of 12.5 years. The raw digital video(More)
The value of systematically enhancing the Angle classification by including transverse and vertical characteristics in addition to anteroposterior relationships for the face and the dentition is universally accepted. Three aeronautical rotational descriptors (pitch, roll, and yaw) are used here to supplement the planar terms (anteroposterior, transverse,(More)
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