Class I
,
Anterior crossbite
,
Posterior crossbite
,
Midline shift
,
Crowding
,
Rotations

Elastics: Class III
,
Mesialization
,
Leveling curve of Spee
,
Extrusion
,
Intrusion
,
Proclination
,
Other extraction
,
First premolar extraction

Treatment information

  • Age: 12
  • Gender: male
  • Invisalign Treatment Option: Invisalign Teen

Diagnostic Summary

  • Class I
  • Anterior crossbite
  • Posterior crossbite
  • Midline shift
  • Crowding
  • Rotations

Use of:

  • Mesialization
  • Extrusion
  • Intrusion
  • Leveling Curve of Spee
  • Proclination
  • Extraction
  • First Premolar extraction
  • Elastics: Class III
Courtesy of Dr X. Zhang 2018

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 maintained
  • Functional canine guidance on both sides
  • Anterior crossbite corrected
  • Posterior crossbite corrected
  • NormalĀ  overjet and overbite achieved
  • Midlines coincident
  • Proper axial inclination of incisors
  • Curve of Spee levelled
  • All treatment goals were achieved case
  • Harmonic arches were achieved

Total treatment Time

  • 28 months

Number of aligners

  • Maxillary: 34 + 32 = 66
  • Mandibular: 38 + 29 = 67

Aligner wear time

  • 10 days

Comments

  • The patient cooperated very well during the treatment and was consistent in wearing the aligners.
  • The mandible kept growing during the treatment, we added class-III elastics to adjust molar's relationship.
  • We started the second phase to adjust molars' relationship and extrude tooth 12.

Retention

  • Maxillary:
  • Mandibular: