Class II div 1
,
Edge to edge bite
,
Increased overjet
,
Mandibular retrognathia
,
Deepbite
,
Narrow arches
,
Posterior crossbite
,
Asymmetric arches
,
Crowding
,
Rotations

Distalization
,
Elastics: Class II in Additional Aligners
,
Mesialization
,
Leveling curve of Spee
,
Extrusion
,
Intrusion
,
Expansion
,
Retraction
,
Proclination
,
Other extraction

Treatment information

  • Age: 17
  • Gender: male
  • Invisalign Treatment Option: Invisalign Full

Diagnostic Summary

  • Class II div 1
  • Edge to edge bite
  • Increased overjet
  • Mandibular retrognathia
  • Deepbite
  • Narrow arches
  • Posterior crossbite
  • Asymmetric arches
  • Crowding
  • Rotations

Use of:

  • Distalization
  • Mesialization
  • Expansion
  • Extrusion
  • Intrusion
  • Leveling Curve of Spee
  • Proclination
  • Retraction
  • Other extraction
  • Class II Elastics in Additional Aligners
  • Optimized rotation attachment (G3) on Buccal 2.3 (UL3), Buccal 2.4 (UL4), Buccal 2.5 (UL5), Buccal 4.3 (LR3), Buccal 3.4 (LL4)
  • Optimized root control attachments (G4) on Buccal 1.1 (UR1), Buccal 1.4 (UR4), Buccal 1.5 (UR5), Buccal 3.3 (LL3)
Courtesy of Dr. D. Tung Vu 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

Treatment summary

Results Achieved

  • Class I relationship achieved
  • Functional canine guidance on both sides
  • Posterior crossbite corrected
  • Normal  overjet and overbite achieved
  • Deepbite improved
  • Overjet improved
  • Significant improvement of overbite
  • Significant improvement of overjet
  • Midlines coincident
  • Proper axial inclination of incisors
  • Curve of Spee leveled
  • 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

  • 20 months

Number of aligners

  • Maxillary: 27 + 13 + 33 = 73
  • Mandibular: 27 + 13 + 33 = 73

Aligner wear time

  • 1-week

Comments

  • We corrected the transverse plane first
  • We corrected scissor bites and expanded the jaws to unlock occlusal
  • When the mandibular was released, AP position changed significantly

Retention

  • Maxillary: Other clear
  • Mandibular: Other clear