Class II div 2
,
Mandibular retrognathia
,
Deep bite
,
Narrow arches
,
Crowding

Distalization
,
Leveling Curve of Spee
,
Intrusion
,
Expansion
,
Elastics: Class II
Courtesy of Dr A. Moullas, 2021
Before picture of treatment

Treatment Summary

Patient Information

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

Total Treatment Time

  • 22 months

Number of aligners

  • Maxillary: 80
  • Mandibulary: 80

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
  • Aesthetic smile line was achieved 
  • All treatment goals were achieved case
  • Harmonic arches were achieved

Comments

Treatment goals achieved by:

  • Distalization of the U arch and a Cl II simulation (BJ) with precision cuts, proper use of  Class II intermaxillary elastics, and a favorable growth spur.
  • Proclination of the U anterior teeth.
  • Level COS by the intrusion of the anterior teeth and extrusion of the posterior teeth.
  •  Expansion 2 mm per quadrant of the upper arch.
  • Set final anterior overjet at 1.5 mm.

Images

Initial and final

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

Initial Final
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