Class III
,
Anterior crossbite
,
Asymmetric arches
,
Crowding

Extrusion
,
Expansion
,
IPR

Treatment information

  • Age: 27
  • Gender: female
  • Invisalign Treatment Option: Invisalign Lite

Diagnostic Summary

  • Class III
  • Anterior crossbite
  • Asymmetric arches
  • Crowding

Use of:

  • Expansion
  • Extrusion
  • IPR
  • Optimized rotation attachment (G3) on Buccal 1.3 (UR3), Buccal 1.4 (UR4), Buccal 2.3 (UL3), Buccal 2.4 (UL4), Buccal 3.3 (LL3)
  • Optimized extrusion attachment (G3) on Buccal 4.1 (LR1), Buccal 4.2 (LR2), Buccal 3.1 (LL1), Buccal 3.2 (LL2)
  • Optimized root control attachments (G4) on Buccal 1.5 (UR5), Buccal 2.5 (UL5), Buccal 4.3 (LR3), Buccal 4.4 (LR4), Buccal 4.5 (LR5), Buccal 3.4 (LL4), Buccal 3.5 (LL5)
Courtesy of Dr H. Ji 2019

Photos

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

Radiographs

ClinCheck treatment plan

video anterior
video right-left
video upper-lower
Download ADF files
Initial
Refinement

Treatment summary

Results Achieved

  • Class III relationship maintained
  • Functional canine guidance on both sides
  • Anterior crossbite corrected
  • Normal  overjet and overbite achieved
  • Overjet improved
  • Significant improvement of overbite
  • Proper axial inclination of incisors
  • 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

Total treatment Time

  • 8 months

Number of aligners

  • Maxillary: 14 + 14 = 28
  • Mandibular: 14 + 14 = 28

Aligner wear time

  • 10 days to 1 week

Comments

  • Because congenital missing of #4.1, maintain Class III molar relationship of Rt. side to create functional anterior & canine guidance
  • I used IPR after alignment to minimize black triangle between the anterior teeth

Retention

  • Maxillary:
  • Mandibular: