Class II div 1
,
Crowding
,
Deepbite
,
Increased overjet
,
Narrow arches

Elastics: Class II
,
Leveling curve of Spee
,
Intrusion
,
Expansion
,
Other extraction
,
First premolar extraction
,
IPR

Treatment information

  • Age: 15
  • Gender: female
  • Invisalign Treatment Option: Invisalign Full

Diagnostic Summary

  • Class II div 1
  • Narrow arches
  • Deepbite
  • Increased overjet
  • Crowding

Use of:

  • Expansion
  • Intrusion
  • Leveling Curve of Spee
  • Extraction
  • First Premolar extraction
  • IPR
  • Elastics: Class II
  • First premolar extraction solution for moderate anchorage (G6+)
Courtesy of Dr Q. Chen 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

Treatment summary

Results Achieved

  • Class II relationship maintained
  • Functional canine guidance on both sides
  • Normal  overjet and overbite achieved
  • Significant improvement of overbite
  • Significant improvement of overjet
  • Curve of Spee levelled
  • 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

  • 28 months

Number of aligners

  • Maxillary: 64 + 23 + 20 = 107
  • Mandibular: 26 + 23 + 20 = 69

Aligner wear time

  • 10 to 7 days

Comments

  • The result of using G6 on both sides in upper arch was good
  • We planned 20% of over correction in the upper front teeth to achieve torque control while doing upper incisor retraction
  • The patient had great compliance