Class III, Anterior Crossbite, Crowding, Midline Shift

IPR, Expansion, Proclination, Elastics: Class III

Treatment of the Month

We Congratulate Dr. Kwai Hung Chung for having the 500th treatment to be published in the gallery!

Treatment Information

  • Age: 20
  • Gender: female
  • Invisalign Treatment Option: Full

Diagnostic Summary

  • Class III relationship
  • Midline Shift
  • Anterior Crossbite
  • Crowding

Use of:

  • Elastics: Class III
  • Expansion
  • Proclination
  • IPR
  • Optimized Rotation Attachment (G3) on Buccal 1.5 (UR5), Buccal 4.4 (LR4), Buccal 3.5 (LL5)
  • Optimized DeepBite Attachments for Anchorage (G5) on Buccal 1.4 (UR4), Buccal 2.4 (UL4), Buccal 2.5 (UL5)
  • Optimized DeepBite Attachments Activated for Premolar Extrusion (G5) on Buccal 4.5 (LR5), Buccal 3.4 (LL4)
Courtesy of Dr. K. Hung Chung 2017

Photos

Click to compare enlarged
upper
Initial
lower
right
front
left
Click to compare enlarged
upper
Final
lower
right
front
left

Radiographs

ClinCheck Treatment Plan

video anterior
video right-left
video upper-lower
Download ADF files
Initial
Additional Aligners

Treatment Summary

Results Archieved

  • Class I relationship achieved
  • Functional canine guidance on both sides
  • Anterior crossbite corrected
  • Normal¬† overjet and overbite achieved
  • Midlines coincident
  • Arches aligned and coordinated
  • Arch form improved
  • Aesthetic smile line¬†was achieved
  • All treatment goals were achieved case
  • Harmonic arches were achieved

Total treatment Time

  • 21 months

Number of aligners

  • Maxillary: 31 + 16 = 47
  • Mandibular: 31 + 16 = 47

Aligner wear time

  • 2-weeks

Comments

  • Class III elastic (1/4 4 OZ) full time wear from start to finish
  • Simultaneous staging in order to reduce the number of aligners
  • Use of aligner chew to improve the aligner fitting