[Retracted] Comparison of Movement of the Upper Dentition According to Anchorage Method: Orthodontic Mini-Implant versus Conventional Anchorage Reinforcement in Class I Malocclusion

Figure 1

Landmarks and reference lines. (1) N: nasion; (2) S: sella; (3) Or: orbitale; (4) Po: porion; (5) Ar: articulare; (6) Go: gonion; (7) Me: menton; (8) Gn: gnathion; (9) Pog: pognion; (10) ANS: anterior nasal spine; (11) PNS: posterior nasal spine; (12) Pt: pterygoid point; (13) A: subspinale; (14) B: supramentale; (15) UIE: the incisor edge of the upper central incisor; (16) UIA: the root apex of the upper central incisor; (17) U6MB: the mesiobuccal cusp tip of the upper first molar; (18) U6M: the most mesial point of the mesial surface of the upper first molar crown; (19) U6A: the mesiobuccal root apex of the upper first molar; (20) U6C: the midpoint between the mesiobuccal and distobuccal cusps of the upper first molar; (21) U6F: the furcation point of the upper first molar; (22) Horizontal reference line, palatal plane (ANS-PNS); (23) Vertical reference line, a tangent plane to the horizontal reference plane through the Pt point.