Class III
,
Posterior crossbite
,
Anterior crossbite
,
Open bite
,
Asymmetric arches
,
Crowding
,
Rotations

Leveling curve of Spee
,
Extrusion
,
Retraction
,
Proclination
,
First premolar extraction
,
Elastics: Class III
,
Elastics: vertical
Courtesy of Dr. W. Chi Chiu, 2020
Before picture of treatment

Treatment in the Spotlight

Dr. W. Chi Chiu

We would like to thank Dr. Chiu for sharing this case with us. She achieved the best results possible for this non-surgical very challenging case.

Doctor quote: " The beauty of new and advanced innovations in aligner orthodontics allows me to treat complex cases with effective and predictable outcomes!"

Dr. W. Chi Chiu

Treatment Summary

Patient Information

  • Age: 19
  • Gender: male
  • Invisalign Treatment Option: Invisalign Full

Total Treatment Time

  • 24 months

Number of aligners

  • Maxillary: 84 + 32 = 116
  • Mandibulary: 84 + 32 = 116

Aligner Wear time

  • 1 week

Retention

  • Maxillary: Other clear
  • Mandibular: Other clear

Results achieved

  • Class I relationship achieved
  • Posterior crossbite corrected
  • Normal  overjet and overbite achieved
  • Significant improvement of overbite
  • Significant improvement of overjet
  • 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
  • Harmonic arches were achieved

Comments

  • After we extracted the lower first premolar we were able to correct the severe open bite and posterior crossbites with the use of Class III elastics and G4 optimized extrusion attachments

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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ClinCheck information

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Smartforce features

  • Optimized rotation attachment (G3) on Buccal 2.3 (UL3), Buccal 2.4 (UL4)
  • Optimized extrusion attachment (G3) on Buccal 1.3 (UR3)
  • Power ridge feature (G3) on Buccal 4.1 (LR1), Buccal 4.2 (LR2), Buccal 3.1 (LL1), Buccal 3.2 (LL2)
  • Optimized root control attachments (G4) on Buccal 1.5 (UR5), Buccal 4.3 (LR3)
  • Optimized Multi-tooth extrusion attachments (G4) on Buccal 1.1 (UR1), Buccal 1.2 (UR2), Buccal 2.1 (UL1), Buccal 2.2 (UL2)
  • First premolar extraction solution for maximum anchorage (G6) on Buccal 3.3 (LL3), Buccal 3.5 (LL5), Buccal 3.6 (LL6), Buccal 3.7 (LL7)
Download ADF files:
Initial
Additional Aligners