Class II div 2
,
Mandibular retrognathia
,
Deep bite
,
Narrow arches

Distalization
,
Leveling Curve of Spee
,
Intrusion
,
Expansion
,
Retraction
,
Overtreatment
,
Elastics: Class II in Additional Aligners
Courtesy of Dr P. Liu, 2021
Before picture of treatment

Treatment Summary

Patient Information

  • Age: 11
  • Gender: female
  • Invisalign Treatment Option: Invisalign Teen

Total Treatment Time

  • 26 months

Number of aligners

  • Maxillary: 40 + 52 + 15 = 107
  • Mandibulary: 23 + 16 + 7 = 46

Aligner Wear time

  • 1-week

Retention

  • Maxillary: Other clear
  • Mandibular: Other clear

Results achieved

  • Class I relationship achieved
  • Functional canine guidance on both sides
  • Normal  overjet and overbite achieved
  • Midlines coincident
  • Proper axial inclination of incisors
  • Curve of Spee leveled
  • Arches aligned and coordinated
  • Arch form improved
  • Aesthetic smile line was achieved 
  • All treatment goals were achieved case
  • Harmonic arches were achieved

Comments

  • Correct the deflection occlusal plane.
  • Improve the smiling line.
  • While upper molars distalize, upper anterior teeth perform lingual root torque about 12 degrees before intrusion.
  • This teeth movement process can better protect anterior teeth labial bone of class II div 2.

Images

Initial and final

Click to compare enlarged
upper
lower
right
front
left
Click to compare enlarged
upper
lower
right
front
left

Progress

Click to compare enlarged
upper
lower
right
front
left
InitialFinal
Before picture of treatment
After picture of treatment
Thumbnail, click to compare enlarged Thumbnail, click to compare enlarged
Thumbnail, click to compare enlarged Thumbnail, click to compare enlarged
Thumbnail, click to compare enlarged Thumbnail, click to compare enlarged
Thumbnail, click to compare enlarged Thumbnail, click to compare enlarged
Thumbnail, click to compare enlarged Thumbnail, click to compare enlarged

Radiographs

Initial Final
Click to compare enlarged320
Click to compare enlarged314