Class II div 2
,
Mandibular retrognathia
,
Deepbite
,
Narrow arches
,
Posterior crossbite
,
Asymmetric arches
,
Mandibular midline deviation
,
Crowding
,
Rotations

Elastics: Class II
,
Elastics: Class II in Additional Aligners
,
Leveling curve of Spee
,
Extrusion
,
Intrusion
,
Expansion
,
Retraction
,
Proclination
,
IPR

Treatment information

  • Age: 13
  • Gender: male
  • Invisalign Treatment Option: Invisalign Teen

Diagnostic Summary

  • Class II div 2
  • Mandibular retrognathia
  • Deepbite
  • Narrow arches
  • Posterior crossbite
  • Asymmetric arches
  • Mandibular midline deviation
  • Crowding
  • Rotations

Use of:

  • Expansion
  • Extrusion
  • Intrusion
  • Leveling Curve of Spee
  • Proclination
  • Retraction
  • IPR
  • Elastics: Class II
  • Class II Elastics in Additional Aligners
  • Optimized rotation attachment (G3) on Buccal 3.4 (LL4)
  • Power ridge feature (G3) on Buccal 1.1 (UR1), Buccal 2.1 (UL1)
  • Optimized root control attachments (G4) on Buccal 1.2 (UR2), Buccal 1.5 (UR5), Buccal 2.2 (UL2), Buccal 2.5 (UL5)
  • Optimized deepbite attachments for anchorage (G5) on Buccal 2.4 (UL4), Buccal 3.5 (LL5)
  • Pressure areas (G5) on Lingual 1.2 (UR2), Lingual 4.1 (LR1), Lingual 4.2 (LR2), Lingual 3.1 (LL1), Lingual 3.2 (LL2), Lingual 3.3 (LL3)
Courtesy of Dr S. Chieh Lin 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
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
  • 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

  • 12 months

Number of aligners

  • Maxillary: 25 + 12 = 37
  • Mandibular: 28 + 12 = 40

Aligner wear time

  • 1-week

Comments

  • This is a Class II div.II case with malocclusion, scissor bite and mandibular retrognathia
  • Because this is a growing patient the treatment plan is 3 stages orthodontic Treatment
  • First stage: Upper arch, leveling and create overjet
  • Second stage: Mandibular advancement stage with the use of Class II elastics
  • Third stage: Full alignment and finishing

Retention

  • Maxillary:
  • Mandibular: