Class II div 1
,
Crowding

Elastics: Class II
,
Retraction
,
First premolar extraction
,
Other extraction
,
IPR
,
TADs
Courtesy of Dr. S. Zou, 2019
Before picture of treatment

Treatment Summary

Patient Information

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

Total Treatment Time

  • 26 months

Number of aligners

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

Aligner Wear time

  • 1-week

Retention

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

Results achieved

  • Class I relationship achieved
  • Curve of Spee leveled
  • Arches aligned and coordinated
  • Arch form improved
  • Aesthetic smile linewas achieved

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 them after 7 days
  • The protrusion profile improved after treatment

Images

Initial and final

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

Progress

Click to compare enlarged
upper
lower
right
front
left
InitialFinal
Before picture of treatment
After picture of treatment
Thumbnail, click to compare enlarged Thumbnail, click to compare enlarged
Thumbnail, click to compare enlarged Thumbnail, click to compare enlarged
Thumbnail, click to compare enlarged Thumbnail, click to compare enlarged
Thumbnail, click to compare enlarged Thumbnail, click to compare enlarged
Thumbnail, click to compare enlarged Thumbnail, click to compare enlarged

Radiographs

Initial Final
Click to compare enlarged316
Click to compare enlarged310