Class II div 1
,
Increased overjet
,
Mandibular retrognathia
,
Deep bite
,
Crowding
,
Rotations

Mandibular advancement
,
Pre Mandibular advancement phase
,
Leveling Curve of Spee
,
Extrusion
,
Intrusion
,
Expansion
,
Retraction
,
Proclination
,
Overtreatment
,
Elastics: Class II
Courtesy of Dr J. Chun Hao Lin, 2020
Before picture of treatment

Treatment Summary

Patient Information

  • Age: 16
  • Gender: male
  • Invisalign Submission Option: Invisalign Teen with MA

Total Treatment Time

  • 22 months

Number of aligners

  • Maxillary: 54 + 44 = 98
  • Mandibulary: 54 + 44 = 98

Aligner Wear time

  • 1-week

Retention

  • Maxillary: Other clear
  • Mandibular: Other clear

Results achieved

  • Class I relationship achieved
  • Functional canine guidance on both sides
  • 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 
  • Harmonic arches were achieved

Comments

1. Mandibular advance with the Precision Wings are very useful for deep bite improvement.
2. This treatment is a combination of expansion, proclination and intrusion of lower dentition
3. In the Additional Aligner phase class II elastics are used to maintain jaw relation and to help close posterior open bite.

Images

Initial and final

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upper
lower
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front
left
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upper
lower
right
front
left

Progress

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lower
right
front
left
InitialFinal
Before picture of treatment
After picture of treatment
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Radiographs

Initial Final
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