Class I
,
Posterior crossbite
,
Anterior crossbite
,
Midline shift
,
Crowding
,
Rotations

Elastics: Class III
,
Mesialization
,
Leveling Curve of Spee
,
Extrusion
,
Intrusion
,
Proclination
,
First premolar extraction
,
Other extraction
Courtesy of Dr X. Zhang, 2018
Before picture of treatment

Treatment Summary

Patient Information

  • Age: 12
  • Gender: male
  • Invisalign Submission Option: Invisalign Teen

Total Treatment Time

  • 28 months

Number of aligners

  • Maxillary: 34 + 32 = 66
  • Mandibulary: 38 + 29 = 67

Aligner Wear time

  • 10 days

Results achieved

  • Class I relationship maintained
  • Functional canine guidance on both sides
  • Anterior crossbite corrected
  • Posterior crossbite corrected
  • Normal overjet and overbite achieved
  • Midlines coincident
  • Proper axial inclination of incisors
  • Curve of Spee levelled
  • All treatment goals were achieved case
  • Harmonic arches were achieved

Comments

  • The patient cooperated very well during the treatment and was consistent in wearing the aligners.
  • The mandible kept growing during the treatment, we added class-III elastics to adjust molar's relationship.
  • We started the second phase to adjust molars' relationship and extrude tooth 12.

Images

Initial and final

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upper
lower
right
front
left
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upper
lower
right
front
left

Progress

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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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