Case Report

Nonsurgical Treatment of Class III Malocclusion with Both Anterior and Posterior Crossbites Combined with Impacted and Congenitally Missed Teeth

Table 1

Cephalometric analysis.

MeasurementMean (±SD)InitialFinal

SkeletalSNA (°)82o (±3.3)82.585.1
SNB (°)80o (±3.1)85.887.1
ANB (°)2o (±1.7)-3.4-2
Wits (mm) (±1.9)-5.3-0.8 mm
(±1.77)
Facial  : FH (°)87.8o (±3.6)9491
Angle of convexity NA-APg (°)0o (±5.1)-8-6
MP (Go-Gn) : SN (°)32o (±3.5)2522
MP (tangent lower border) : FH (°)21.9o (±3.2)3119
Pg : NB (mm)4(±2)6 mm2.2 mm
axis (SGn : FH)59.4o (±3.8)6261
DentalU1 to NA (°)22o (±6.1)4138
U1 to NA (mm)4 (±1.2)7 mm6 mm
L1 to NB (°)25o (±4.5)28.525
L1 to NB (mm)4 (±1.5)6 mm4 mm
U1 to L1 (°)131.7o (±6.5)113109
(Avg. Downs & Steiner)
L1: APg (mm)1 (±2)8 mm4 mm
IMPA (°)90o (85-95)9895
Soft tissueNasolabial angle (°)90-110o125115
Esthetic plane (E-line)-4 mm-8 mm-5 mm
Upper lip
Esthetic plane (E-line)-2 mm-2 mm-3 mm
Lower lip