Class II div 1
,
Increased overjet
,
Mandibular retrognathia
,
Deep bite
,
Asymmetric arches
,
Maxillary midline deviation
,
Mandibular midline deviation
,
Crowding

Distalization
,
Leveling Curve of Spee
,
Intrusion
,
Expansion
,
Elastics: Class II
Courtesy of Dr J. Weng, 2021
Before picture of treatment

Treatment Summary

Patient Information

  • Age: 15
  • Gender: female
  • Invisalign Treatment Option: Invisalign Teen

Total Treatment Time

  • 18 months

Number of aligners

  • Maxillary: 36 + 12 + 10 = 58
  • Mandibulary: 36 + 9 + 10 = 55

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
  • Significant improvement of overbite
  • Significant improvement of overjet
  • Midlines coincident
  • Proper axial inclination of incisors
  • Curve of Spee leveled
  • Arches aligned and coordinated
  • Alignment of both arches through derotation
  • Arch form improved
  • Aesthetic smile line was achieved 
  • All treatment goals were achieved case
  • Harmonic arches were achieved

Comments

  • Invisalign is good for molar distalization and expansion.
  • The upper left first molar was distally moved by 2.7mm and the upper right first molar was distally moved by 1.2mm.
  • Class II elastics were used to enhance maxillary anchorage and help retract upper incisors.
  • The upper and lower arches were expanded by 1.2mm per side at the posterior area.
  • Upper and lower midlines were both adjusted.

Images

Initial and final

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upper
lower
right
front
left
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upper
lower
right
front
left
InitialFinal
Before picture of treatment
After picture of treatment
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Radiographs

Initial Final
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