Class II div 1
,
Posterior crossbite
,
Increased overjet
,
Narrow arches
,
Asymmetric arches
,
Crowding

Distalization
,
Leveling Curve of Spee
,
Intrusion
,
Expansion
,
Retraction
,
Proclination
,
TADs
,
Elastics: Class II
,
Elastics: Class II in Additional Aligners
Courtesy of Dr C. Shih, 2023
Before picture of treatment

Treatment Summary

Patient Information

  • Age: 16
  • Gender: male
  • Invisalign Submission Option: Invisalign Comprehensive

Total Treatment Time

  • 30 months

Number of aligners

  • Maxillary: 50 + 50 + 10 = 110
  • Mandibulary: 50 + 50 + 10 = 110

Aligner Wear time

  • 1-week

Retention

  • Maxillary: Vivera retainer
  • Mandibular: Vivera retainer

Results achieved

  • Class I relationship achieved
  • Functional canine guidance on both sides
  • Posterior crossbite corrected
  • Normal  overjet and overbite achieved
  • Overjet improved
  • Significant improvement of overjet
  • Midlines coincident
  • Curve of Spee leveled
  • Arch form improved
  • Aesthetic smile line was achieved 
  • All treatment goals were achieved case

Comments

  • The chief complaint was crooked teeth and protrusive profile.
  • The treatment goal was to improve posterior cross bite, level curve of Spee, reduce OJ and arch coordination.
  • Total treatment time was 30 months and required two sets of additional aligners.
  • Intermaxillary elastics and TADs were used.

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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