Case Report
Optimizing Anterior En Masse Retraction with Miniscrew Anchorage
Table 1
Cephalometric analysis data.
| | Parameter | Pretreatment | Posttreatment |
| | SNA | 80.7° | 79.3° | | SNB | 75.4° | 74.5° | | ANB | 5.3° | 4.7° | | FMA | 23° | 24° | | U 1 to NA degree | 35.8° | 18.5° | | L 1 to NB degree | 31.9° | 23.9° | | U 1 to NA (mm) | 10 mm | 4 mm | | L 1 to NB (mm) | 9 mm | 2 mm | | Interincisal angle | 107° | 132.9° | | PFH/AFH | 73% | 73% | | FH/OP degree | 4° | 11° | | Max 1-SN | 166.5° | 97.8° | | IMPA | 105° | 97° | | Z angle | 42° | 63° | | Upper lip to E line | −1 mm | −2 mm | | Lower lip to E line | 6 mm | 0 mm | | U 1 to A-Pog (mm) | 13 mm | 5 mm | | Holdaway ratio | 6 | 3 | | Wits | 6 mm | 1 mm |
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