Case Report
Treatment of Class II Division 2 Malocclusion Using the Forsus Fatigue Resistance Device and 5-Year Follow-Up
Table 1
Mean values of the measurements at pretreatment (T0), posttreatment (T1), and 5 years’ after retention (T2).
| Measurement | Norm | Pretreatment (T0) | Posttreatment (T1) | 5 years’ after retention (T2) |
| SNA° | 82° | 81° | 81° | 79.6° | SNB° | 80° | 75.6° | 78.5° | 77.2° | ANB° | 2° | 5.4° | 2.5° | 2.3° | Convexity (mm) | 0.8 mm | 3.2 mm | 0.2 mm | −0.5 mm | GoGnSN° | 32° | 22.9° | 21.6° | 21.8° | U1-FH° | 111° | 104.8° | 103.4° | 111.3° | U1-NA° | 22° | 14.3° | 17.9° | 23.5° | IMPA° | 90° | 101.1° | 106° | 107° | L1-NB° | 25° | 19.5° | 26.1° | 26.7° | Interincisor angle° | 130° | 140.8° | 130.7° | 127.9° | U6-PTV (mm) | 17.7 mm | 22.1 mm | 16.7 mm | 19.4 mm | Overjet (mm) | 2.5 mm | 7.8 mm | 2.6 mm | 2.6 mm | Overbite (mm) | 2.5 mm | 7.5 mm | 2.2 mm | 2.6 mm | Low.Lip-E (mm) | −2.0 mm | −3.9 mm | −6 mm | −5.9 mm |
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