Class II div 2
,
Deep bite
,
Narrow arches
,
Crowding
,
Rotations

Leveling Curve of Spee
,
Intrusion
,
First premolar extraction
,
IPR
,
Elastics: Class II
,
Elastics: Class II in Additional Aligners
,
Extraction
Courtesy of Dr S. Shih-Hsuan Chen, 2021
Before picture of treatment

Treatment Summary

Patient Information

  • Age: 34
  • Gender: female
  • Invisalign Submission Option: Invisalign Comprehensive

Total Treatment Time

  • 16 months

Number of aligners

  • Maxillary: 46 + 26 = 72
  • Mandibulary: 46 + 26 = 72

Aligner Wear time

  • 5 days

Retention

  • Maxillary: Other clear
  • Mandibular: Other clear

Results achieved

  • Class I relationship achieved
  • Functional canine guidance on both sides
  • Normal  overjet and overbite achieved
  • Deepbite improved
  • Significant improvement of overbite
  • Proper axial inclination of incisors
  • Curve of Spee leveled
  • Arches aligned and coordinated
  • Alignment of both arches through derotation
  • Arch form improved
  • Aesthetic smile line was achieved 
  • Harmonic arches were achieved

Comments

  • Space closure and deep bite correction were smooth in this case due to good bite control with precision bite ramps and excellent patient compliance.
  • Class II elastics were used to aid in upper canine extrusion and Class II correction.
  • Aligners were changed every 5 days with the combined use of OrthoPulse accelerator. Therefore the treatment was completed in a relatively short period of time.

Images

Initial and final

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upper
lower
right
front
left
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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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