Class I
,
Anterior crossbite
,
Narrow arches
,
Asymmetric arches
,
Crowding

Intrusion
,
Expansion
,
Proclination
,
Phase I treatment / Interceptive
Courtesy of Dr C. Ying Tsai, 2021
Before picture of treatment

Treatment Summary

Patient Information

  • Age: 9
  • Gender: female
  • Invisalign Treatment Option: Invisalign First

Number of aligners

  • Maxillary: 25 + 15 = 40
  • Mandibulary: 25 + 15 = 40

Aligner Wear time

  • 7~14 days

Retention

  • Maxillary: Hawley
  • Mandibular: Hawley

Results achieved

  • Class I relationship achieved
  • Anterior crossbite corrected
  • Normal  overjet and overbite achieved
  • Midlines coincident
  • Proper axial inclination of incisors
  • Arches aligned and coordinated
  • Arch form improved
  • Aesthetic smile line was achieved 
  • All treatment goals were achieved case

Comments

  • Sequential expansion staging applies at upper and lower arches.
  • Anterior crossbite correction was achieved by proclination of 1.1 and intrusion at 1.1 and 4.1.
  • Upper and lower anterior teeth crowding relief by expansion both arches.
  • Invisalign First treatment is efficient for anterior teeth crossbite correction.

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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