Class II div 1
,
Posterior crossbite
,
Mandibular retrognathia
,
Narrow arches
,
Rotations

Leveling Curve of Spee
,
Expansion
,
Retraction
,
Proclination
,
Pre-surgical
Courtesy of Dr C. Carvalho, 2023
Before picture of treatment

Treatment Summary

Patient Information

  • Age: 31
  • Gender: female
  • Invisalign Submission Option: Invisalign Comprehensive

Total Treatment Time

  • 15 months

Number of aligners

  • Maxillary: 21 + 23 = 44
  • Mandibulary: 28 + 17 = 45

Aligner Wear time

  • 10 days

Retention

  • Maxillary: Fixed/Bonded
  • Mandibular: Fixed/Bonded

Results achieved

  • Class I relationship achieved
  • Functional canine guidance on both sides
  • Posterior crossbite corrected
  • Overjet improved
  • Midlines coincident
  • Curve of Spee leveled
  • Arches aligned and coordinated
  • Alignment of both arches through derotation
  • Arch form improved
  • Aesthetic smile line was achieved 
  • All treatment goals were achieved case
  • Harmonic arches were achieved

Comments

  • This case was completed in preparation for orthognathic surgery.
  • We performed upper and lower posterior expansion.
  • Crossed elastics were used on the first molars on the right side to uncross the crossbite.
  • Relative intrusion was performed on the lower incisors.
  • During superior expansion, I performed superior anterior retraction.
  • Alignment, leveling, and rotation correction.
  • At the end of the first set of aligners, additional aligners were ordered so that I could achieve all the goals and refer the patient for orthognathic surgery.

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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