Class II div 1
,
Increased overjet
,
Mandibular retrognathia
,
Narrow arches
,
Asymmetric arches
,
Crowding

Leveling Curve of Spee
,
Extrusion
,
Intrusion
,
Expansion
,
Retraction
,
First premolar extraction
,
Elastics: Class II
,
Extraction
Courtesy of Dr F. Wang, 2021
Before picture of treatment

Treatment Summary

Patient Information

  • Age: 21
  • Gender: female
  • Invisalign Treatment Option: Invisalign Teen

Total Treatment Time

  • 30 months

Number of aligners

  • Maxillary: 48 + 14 = 62
  • Mandibulary: 44 + 29 = 73

Aligner Wear time

  • 1-week

Retention

  • Maxillary: Other clear
  • Mandibular: Other clear

Results achieved

  • Class I relationship achieved
  • Functional canine guidance on both sides
  • Normal  overjet and overbite achieved
  • Overjet improved
  • Significant improvement of overjet
  • Midlines coincident
  • 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 
  • All treatment goals were achieved case
  • Harmonic arches were achieved

Comments

  • The patient had Skeletal Bimaxillary Protrusion Treatment
  • Extraction of four first premolars improved the profile and occlusion
  • Without the use of TADs, through class II Elastics and just one-time additional aligners amazing and satisfactory results were achieved
  • The patient was very satisfied with the treatment results
  • Such a good curative effect is inseparable from the Smarttrack of Invisalign

Images

Initial and final

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upper
lower
right
front
left
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lower
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front
left

Progress

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

Initial Final
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