Class II div 1
,
Crowding

Elastics: Class II
,
Retraction
,
Other extraction
,
First premolar extraction
,
IPR
,
TADs

Treatment information

  • Age: 22
  • Gender: female
  • Invisalign Treatment Option: Invisalign Teen

Diagnostic Summary

  • Class II div 1
  • Crowding

Use of:

  • Extraction
  • Retraction
  • First Premolar extraction
  • IPR
  • Elastics: Class II
  • TADs
  • Optimized multiplane (G4) on Buccal 1.2 (UR2)
Courtesy of Dr. S. Zou 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
Additional Aligners

Treatment summary

Results Achieved

  • Class I relationship achieved
  • Curve of Spee leveled
  • Arches aligned and coordinated
  • Arch form improved
  • Aesthetic smile line¬†was achieved

Total treatment Time

  • 26 months

Number of aligners

  • Maxillary: 46 + 19 = 65
  • Mandibular: 46 + 14 = 60

Aligner wear time

  • 1-week

Comments

  • TADs were used from stage 34 on the upper left and upper right side
  • From stage 27 we used power arms on the lower canines and the lower first molars
  • A little IPR on the lower anterior teeth improved the Bolton discrepancy
  • Aligners were changed every 10 days with a few exceptions where we changed after 7 days
  • The protrusion profile improved after treatment

Retention

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