Class I
,
Anterior crossbite
,
Edge to edge bite
,
Narrow arches
,
Asymmetric arches
,
Crowding
,
Rotations

Distalization
,
Leveling curve of Spee
,
Intrusion
,
Expansion
,
Retraction
,
IPR
,
Implants
,
Extraction
Courtesy of Dr X. Wang, 2021
Before picture of treatment

Treatment Summary

Patient Information

  • Age: 22
  • Gender: female
  • Invisalign Treatment Option: Invisalign Full

Total Treatment Time

  • 30 months

Number of aligners

  • Maxillary: 76 + 44 + 12 = 132
  • Mandibulary: 76 + 44 + 12 = 132

Aligner Wear time

  • 7-10days

Retention

  • Maxillary: Hawley
  • Mandibular: Hawley

Results achieved

  • Class I relationship maintained
  • Functional canine guidance on both sides
  • Anterior crossbite corrected
  • NormalĀ  overjet and overbite achieved
  • Midlines coincident
  • Curve of Spee leveled
  • Arches aligned and coordinated
  • Harmonic arches were achieved

Comments

The chief concern was protrude teeth , and she could not close her mouth at night .
This is a premolar extraction case , but the patient refused to extract her premolars . I have to distalizate the molars from 3.1 to 5.0 mm with the help of microimplant ankerages in four quadrants by extracting 4 wisdom teeth .
The buccal gum of tooth 14 atrophied at the 29th of the initial aligners , so I asked for additional aligners to correct the movement of premolars . Then buccal gum of tooth 14 came back .
The aligners moved both the crowns and roots , they made the roots parallel .

Images

Initial and final

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upper
lower
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front
left
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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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