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

Distalization
,
Leveling Curve of Spee
,
Extrusion
,
Intrusion
,
Expansion
,
Retraction
,
IPR
,
Elastics: Class II
,
Elastics: Class III
Courtesy of Dr Q. Chen, 2023
Before picture of treatment

Treatment Summary

Patient Information

  • Age: 11
  • Gender: male
  • Invisalign Submission Option: Invisalign Teen

Total Treatment Time

  • 23 months

Number of aligners

  • Maxillary: 48 + 24 + 19 = 91
  • Mandibulary: 51 + 27 + 22 = 100

Aligner Wear time

  • 1-week

Retention

  • Maxillary: Hawley
  • Mandibular: Hawley

Results achieved

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

Comments

  • Invisalign is good for coordinated Bolton index caused by fused teeth.
  • The upper right first molar was moved distally 1mm.
  • Class II elastics were used to enhance maxillary anchorage and help retract upper incisors.
  • Normal over-jet was achieved after retraction of upper front teeth.
  • Mandibular retrognathia was corrected with class II elastics all through treatment.
  • The upper and lower arches were expanded by 1mm per side (posterior area).
  • The lower midline was 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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