Class III
,
Posterior crossbite
,
Anterior crossbite
,
Narrow arches
,
Crowding
,
Rotations

Expansion
,
Retraction
,
Proclination
,
IPR
,
Elastics: Class III
,
Elastics: vertical
Courtesy of Dr R. Lie, 2019
Before picture of treatment

Treatment in the Spotlight

Dr R. Lie

Dr. Quote: “This case shows that the use of the Invisalign Appliance has made it possible to treat patients which would normally have been difficult to address by orthodontic means only.”

Dr R. Lie

Treatment Summary

Patient Information

  • Age: 19
  • Gender: female
  • Invisalign Treatment Option: Invisalign Full

Total Treatment Time

  • 21 months

Number of aligners

  • Maxillary: 36 + 24 + 11 = 71
  • Mandibulary: 36 + 24 + 11 = 71

Aligner Wear time

  • 1-week

Results achieved

  • Class I relationship achieved
  • Functional canine guidance on both sides
  • Anterior crossbite corrected
  • Posterior crossbite corrected
  • Normal overjet and overbite achieved
  • Overjet improved
  • Significant improvement of overjet
  • Midlines coincident
  • Proper axial inclination of incisors
  • Curve of Spee leveled
  • Arches aligned and coordinated
  • Alignment of both arches through derotation
  • Arch form improved
  • Aesthetic smile linewas achieved
  • All treatment goals were achieved case
  • Harmonic arches were achieved

Comments

  • The desired outcome was achieved by a combination of arch expansion in the upper arch and retraction of the lower anterior teeth
  • Interproximal enamel reduction was performed between the posterior teeth in the lower arch for relieve of crowding and for retraction of the anterior teeth
  • Class III elastics were added to enact and coordinate the movements
  • Lingual root torque was added to the lower incisors for control of the root inclination during retraction

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 Final
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