Class II div 2
,
Increased overjet
,
Deepbite
,
Narrow arches
,
Posterior crossbite
,
Midline shift
,
Crowding

Extrusion
,
Intrusion
,
Expansion
,
Proclination
,
IPR

Treatment information

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

Diagnostic Summary

  • Class II div 2 relationship
  • Narrow Arches
  • Midline Shift
  • Posterior Crossbite
  • Maxillary midline deviation
  • Deepbite
  • Increased overjet
  • Crowding

Use of:

  • Intrusion
  • Extrusion
  • Levelling Curve of Spee
  • Expansion
  • Proclination
  • IPR
  • Optimized Rotation Attachment (G3) on Buccal 1.3 (UR3), Buccal 2.3 (UL3), Buccal 4.3 (LR3), Buccal 4.4 (LR4)
  • Optimized Root Control Attachments (G4) on Buccal 1.1 (UR1)
  • Optimized DeepBite Attachments Activated for Premolar Extrusion (G5) on Buccal 3.4 (LL4)
Courtesy of Dr. C. O'Hehir 2017
Award 2018 Peer Review Awards

Photos

Click to compare enlarged
upper
Initial
lower
right
front
left
Click to compare enlarged
upper
Final
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
  • Functional canine guidance on both sides
  • Posterior crossbite corrected
  • Normal  overjet and overbite achieved
  • Deepbite improved
  • Overjet improved
  • Significant improvement of overbite
  • Midlines coincident
  • Proper axial inclination of incisors
  • Curve of Spee levelled
  • Arches aligned and coordinated
  • Arch form improved
  • Aesthetic smile line was achieved
  • All treatment goals were achieved case

Total treatment Time

  • 16 months

Number of aligners

  • Maxillary: 24 + 12 = 36
  • Mandibular: 24 + 12 = 36

Aligner wear time

  • 2-weeks

Comments

  • IPR carried out in the upper and lower arches to relieve crowding and help correct arch form
    Expansion of Buccal segments
  • A mixture of intrusion and relative extrusion of the maxillary anterior teeth was carried out
  • Proclination of the lower labial segment
  • Use of power ridges, optimised attachments
  • Avoidance of round tripping of teeth

Retention

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