Posterior crossbite
,
Anterior crossbite
,
Midline shift

Extrusion
,
Expansion
,
Proclination
,
Phase I treatment / Interceptive
,
Elastics: Class III
Courtesy of Dr M. Liao, 2023
Before picture of treatment

Treatment Summary

Patient Information

  • Age: 6
  • Gender: female
  • Invisalign Submission Option: Invisalign First

Total Treatment Time

  • 6 months

Number of aligners

  • Maxillary: 28
  • Mandibulary: 28

Aligner Wear time

  • 1-week

Retention

  • Maxillary: Other
  • Mandibular: Other

Results achieved

  • Class I relationship maintained
  • Anterior crossbite corrected
  • Posterior crossbite corrected
  • Normal  overjet and overbite achieved
  • Midlines coincident

Comments

  • Correct anterior crossbite by upper incisor proclination with CIII elastic help.
  • Remove LRC and LLC occlusal interference to help correct the posterior crossbite.
  • Lip tie released after tooth well aligned.

Images

Initial and final

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upper
lower
right
front
left
Click to compare enlarged
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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