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