Class II div 1
,
Posterior crossbite
,
Increased overjet
,
Deep bite
,
Narrow arches
,
Asymmetric arches
,
Mandibular midline deviation

Distalization
,
Leveling Curve of Spee
,
Intrusion
,
Expansion
,
Retraction
,
Space Closure
,
Elastics: Class II
Courtesy of Dr S. Zhang, 2022
Before picture of treatment

Treatment Summary

Patient Information

  • Age: 13
  • Gender: male
  • Invisalign Submission Option: Invisalign Teen

Total Treatment Time

  • 21 months

Number of aligners

  • Maxillary: 48
  • Mandibulary: 54

Aligner Wear time

  • 10d

Retention

  • Maxillary: Hawley
  • Mandibular: Hawley

Results achieved

  • Class I relationship achieved
  • Functional canine guidance on both sides
  • Posterior crossbite corrected
  • Normal  overjet and overbite achieved
  • Deepbite improved
  • Overjet improved
  • 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

Comments

  • 14, 15, 44, 45 were intruded and the lower right posterior teeth were moved buccally to correct crossbite.
  • Class Ⅱ elastics were used for mandibular advancement.
  • Invisalign has an advantage in relieving intercuspal occlusion and the crossbite was corrected in only 4 months.

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

Initial Final
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