Open bite
,
Narrow arches
,
Midline shift
,
Crowding
,
Class II

Expansion
Courtesy of Dr F. Wang, 2021
Before picture of treatment

Treatment Summary

Patient Information

  • Age: 7
  • Gender: female
  • Invisalign Treatment Option: Invisalign First

Total Treatment Time

  • 8 months

Number of aligners

  • Maxillary: 32
  • Mandibulary: 29

Aligner Wear time

  • 1-week

Retention

  • Maxillary: Hawley
  • Mandibular: Hawley

Results achieved

  • Aesthetic smile line was achieved
  • Alignment of both arches through derotation
  • Arch expansion achieved
  • Arch form improved
  • Arches aligned and coordinated
  • Class I relationship achieved
  • Curve of Spee leveled
  • Functional overjet and overbite
  • Harmonic arches were achieved
  • Midlines coincident

Comments

  • Paid attention to the eruption length of lateral incisors and the root lingual torque of mandibular lateral incisors.
  • Adenoidectomy was done 3 years ago and had chin trauma 2 years ago. There was suture, and the development of the chin was gentle.
  • The upper lip is short and warped, the lower lip is valgus, the patient is a mouth breather, and the tonsil is hypertrophy.
  • The tongue is low and the frenulum is short.
  • Orthodontics can only solve the problem of crowding and irregular tooth positions.

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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