Class II div 2
,
Mandibular retrognathia
,
Deep bite
,
Maxillary midline deviation
,
Crowding
,
Impacted canines

Mandibular advancement
,
Leveling Curve of Spee
,
Expansion
Courtesy of Dr W. Zhang, 2019
Before picture of treatment

Treatment Summary

Patient Information

  • Age: 9
  • Gender: male
  • Invisalign Treatment Option: Invisalign Teen with MA

Total Treatment Time

  • 19 months

Number of aligners

  • Maxillary: 57 + 27 = 84
  • Mandibulary: 57 + 27 = 84

Aligner Wear time

  • 1-week

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
  • Aesthetic smile linewas achieved
  • All treatment goals were achieved case
  • Harmonic arches were achieved

Comments

  • Due to the use of the Precision Wings feature we successfully treated this case of class II division 1.
  • In phase I we focused on the mandible growth with the use of the Precision Wings feature
  • In 14 months we successfully expanded the upper arch
  • The impacted canines of the upper jaw erupted successfully, the mandible grew forward and we achieved a class I molar relationship
  • In phase II we aligned both arches and achieved a perfect Class I occlusion .

Images

Initial and final

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upper
lower
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front
left
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upper
lower
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front
left

Progress

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

Initial Final
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