Comparison of Maxillary Molar Distalization with an Implant-Supported Distal Jet and a Traditional Tooth-Supported Distal Jet Appliance

Table 1

Cephalometric variables.

Variable	Description
PTV-U6 (mm)	Horizontal measurement from maxillary first molar to PTV line
PTV-U4 (mm)	Horizontal measurement from maxillary first premolar to PTV line
SN-U6 (degrees)	Angle formed by the axis of the maxillary first molar and the SN line
SN-U4 (degrees)	Angle formed by the axis of the maxillary first premolar and the SN line
PP-U6 (mm)	Vertical measurement from maxillary first molar to palatal plane (PP)
PP-U4 (mm)	Vertical measurement from maxillary first premolar to palatal plane (PP)
PTV-A	Horizontal measurement from point A to PTV line