Class I
,
Anterior crossbite
,
Increased overjet
,
Narrow arches

Expansion
,
Elastics: Class II
,
Extraction
Courtesy of Dr M. Huan Tsai, 2022
Before picture of treatment

Treatment Summary

Patient Information

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

Total Treatment Time

  • 32 months

Number of aligners

  • Maxillary: 39 + 22 + 15 = 76
  • Mandibulary: 39 + 22 + 15 = 76

Aligner Wear time

  • 10 days change

Retention

  • Maxillary: Vivera retainer
  • Mandibular: Vivera retainer

Results achieved

  • Class I relationship achieved
  • Functional canine guidance on both sides
  • Significant improvement of¬†overbite
  • Significant improvement of overjet
  • Midlines coincident
  • Curve of Spee leveled

Comments

  • The crowding and protrusion were resolved by four bi-cuspid extraction combined with G6 feature.
  • We used local fixed appliance to correct lower molar dumping.
  • Button-elastics also used to settle down the occlusion.

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
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